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Archives at The Museum of Flight


Box 14

 Container

Contains 19 Results:

"RCA and Hooven interference" -- copy of patent and correspondence regarding legal issues [RM files], 1942 March - May

 File — Box: 14, Folder: 3
Scope and Contents: Series II. Lear Avia Inc. From the Series: Series II: Lear Avia Inc. is the second largest series of the collection. It documents the research, development, and manufacture of Lear Avia’s key World War II-era products, notably clutches, screw jacks, motors, and aircraft navigation and radio equipment and parts. In addition, there is documentation of other products which reflect the company’s post-war considerations for manufacture and production. These are not just limited to the field of aeronautics...
Dates: 1942 March - May

"Infringement report on aerodraulics valve" -- correspondence and diagrams [RM files], 1943 December

 File — Box: 14, Folder: 9
Scope and Contents: Series II. Lear Avia Inc. From the Series: Series II: Lear Avia Inc. is the second largest series of the collection. It documents the research, development, and manufacture of Lear Avia’s key World War II-era products, notably clutches, screw jacks, motors, and aircraft navigation and radio equipment and parts. In addition, there is documentation of other products which reflect the company’s post-war considerations for manufacture and production. These are not just limited to the field of aeronautics...
Dates: 1943 December

Letter to Richard Marsen from WPL. Discusses Joseph Dugan case regarding gyromatic lawsuit, 1942 June 30

 File — Box: 14, Folder: 6
Scope and Contents: Series II. Lear Avia Inc. From the Series: Series II: Lear Avia Inc. is the second largest series of the collection. It documents the research, development, and manufacture of Lear Avia’s key World War II-era products, notably clutches, screw jacks, motors, and aircraft navigation and radio equipment and parts. In addition, there is documentation of other products which reflect the company’s post-war considerations for manufacture and production. These are not just limited to the field of aeronautics...
Dates: 1942 June 30

"Dead disclosures [notice of invention]" -- correspondence, diagrams, and sketch [L-DX], 1936 October - 1943 March

 File — Multiple Containers
Scope and Contents: Series II. Lear Avia Inc. From the Series: Series II: Lear Avia Inc. is the second largest series of the collection. It documents the research, development, and manufacture of Lear Avia’s key World War II-era products, notably clutches, screw jacks, motors, and aircraft navigation and radio equipment and parts. In addition, there is documentation of other products which reflect the company’s post-war considerations for manufacture and production. These are not just limited to the field of aeronautics...
Dates: 1936 October - 1943 March

Joseph Dugan v. Lear Avia "cited prior art" lawsuit -- memos, notes, patent copies, diagrams, and legal briefs [L-I-2], 1942 May - 1946 May

 File — Box: 14, Folder: 4-5
Scope and Contents: Series II. Lear Avia Inc. From the Series: Series II: Lear Avia Inc. is the second largest series of the collection. It documents the research, development, and manufacture of Lear Avia’s key World War II-era products, notably clutches, screw jacks, motors, and aircraft navigation and radio equipment and parts. In addition, there is documentation of other products which reflect the company’s post-war considerations for manufacture and production. These are not just limited to the field of aeronautics...
Dates: 1942 May - 1946 May

"Nowka validity investigation" -- correspondence, patent application, and patent copies [L-I-8], 1943 December - 1944 February

 File — Box: 14, Folder: 10
Scope and Contents: Series II. Lear Avia Inc. From the Series: Series II: Lear Avia Inc. is the second largest series of the collection. It documents the research, development, and manufacture of Lear Avia’s key World War II-era products, notably clutches, screw jacks, motors, and aircraft navigation and radio equipment and parts. In addition, there is documentation of other products which reflect the company’s post-war considerations for manufacture and production. These are not just limited to the field of aeronautics...
Dates: 1943 December - 1944 February

"General infringement file" -- note and patent copies [L-J-G], undated (circa 1939-1944)

 File — Box: 14, Folder: 12
Scope and Contents: Series II. Lear Avia Inc. From the Series: Series II: Lear Avia Inc. is the second largest series of the collection. It documents the research, development, and manufacture of Lear Avia’s key World War II-era products, notably clutches, screw jacks, motors, and aircraft navigation and radio equipment and parts. In addition, there is documentation of other products which reflect the company’s post-war considerations for manufacture and production. These are not just limited to the field of aeronautics...
Dates: undated (circa 1939-1944)

"Searle Aero Industries Inc. infringement" -- correspondence, brochure, and financial report [L-J-1], 1942 March

 File — Box: 14, Folder: 1
Scope and Contents: Series II. Lear Avia Inc. From the Series: Series II: Lear Avia Inc. is the second largest series of the collection. It documents the research, development, and manufacture of Lear Avia’s key World War II-era products, notably clutches, screw jacks, motors, and aircraft navigation and radio equipment and parts. In addition, there is documentation of other products which reflect the company’s post-war considerations for manufacture and production. These are not just limited to the field of aeronautics...
Dates: 1942 March

"Aircraft motor clutch (re: 80-1) infringement" -- correspondence and clipping [L-J-2], 1942 March

 File — Box: 14, Folder: 2
Scope and Contents: Series II. Lear Avia Inc. From the Series: Series II: Lear Avia Inc. is the second largest series of the collection. It documents the research, development, and manufacture of Lear Avia’s key World War II-era products, notably clutches, screw jacks, motors, and aircraft navigation and radio equipment and parts. In addition, there is documentation of other products which reflect the company’s post-war considerations for manufacture and production. These are not just limited to the field of aeronautics...
Dates: 1942 March

"Dumore clutch vs. Lear 80-1 clutch patent" possible infringement -- memo, sketches, and technical document [L-J-5], 1943 March - 1944 June

 File — Box: 14, Folder: 8
Scope and Contents: Series II. Lear Avia Inc. From the Series: Series II: Lear Avia Inc. is the second largest series of the collection. It documents the research, development, and manufacture of Lear Avia’s key World War II-era products, notably clutches, screw jacks, motors, and aircraft navigation and radio equipment and parts. In addition, there is documentation of other products which reflect the company’s post-war considerations for manufacture and production. These are not just limited to the field of aeronautics...
Dates: 1943 March - 1944 June

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