Envelope containing printed patents issued by the United States Patent Office that include photo-lithographs of diagrams attached to the patent applications and signed by the inventor. All of the patents re stamped with “DOCUMENT FILE No. 221" and, in orange, “99.” They are also stamped as “rec’d March 13, 1919, C. A. & M. Corp’n, Patent Department.” The envelope contains the following patents:

• 1,289,683: Glenn Curtiss for Flying Boat, December 31, 1918. (4 pages)
• 1,290,004: P. G. Zimmerman for Aeroplane-Fitting, December 31, 1918. (2 pages)
• 1,290,005: P. G.Zimmerman for Fuselage cover, December 31,1918. (4 pages)
• 1,290,102: N. W. Dalton for Landing-Gear Construction, January 7, 1919.(2 pages)
• 1,290,235: Henry Klecker for Triplane, January 7, 1919. (5 pages)
• 1,290,236: Henry Kleckler for Tailskids for Aeroplanes, January 7, 1919. (2 pages)
• 1,290,237: Henry Kleckler for Engine Bed Mounting,January 7, 1919. (4 pages)
• 1,290,838: Henry Kleckler for Aeroplane Construction, January 7, 1919. (6 pages)
• 1,294,389: W.S. Burgess for Hydroaeromachine Februay 18, 1919. (4 pages)
• 1,294, 412: Glenn Curtiss for Twin Fuselage construction, February 18, 1919. (4 pages)
• 1,294,413: Glenn Curtiss for Autoplane, February 18, 1919. (7 pages)
• 1,294,414: Glenn Curtiss and William Gilmore Hull for Flying Boats, February 18, 1919. (6 pages)
• 1,294,415: Glenn Curtiss and William Gilmore Flying Boat, February 18, 1919.
• 1,294,474: Charles Kirkham, for Motor Cooling System, February 18, 1919. (4 pages)
• 1,294,475: Charles B.Kirkham for Exhaust Manifold, February 18,1919. (2 pages)
• 1,294,476: Henry Kleckler for Duplex V-Strut Landing Gear, February 18,1919. (5 pages)
• 1,294,477: Henry Kleckler for Tail Skid for Aeroplanes, February 18,1919. (4 pages)
• 1,295,084: Glenn Curtiss for Aeroplane Construction, February 18,1919. (2 pages)