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• Subject > Lear Avia, Inc. (remove)
• Format > patents (remove)

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• Mixed Materials (5)

• patents (5)
• diagrams (3)
• technical drawings (2)
• correspondence (1)
• memorandums (1)

• In copyright (5)

• Lear Avia, Inc. (5)
• Aids to air navigation (2)
• Radio in aeronautics (2)
• Airplanes--Parts (1)
• Automatic Direction Finder (ADF) (1)
• Automatic pilot (Airplanes) (1)
• Radio direction finders (1)

5 results

[William P. and Moya Olsen Lear Papers, Box 18, Folder 2; Box 200, Folder 2 - "Radio direction finding system (Case 20-1)" -- patent application [RM files], 1940-1943] (Item)

Items from Box 18, Folder 2 and Box 200, Folder 2 of the William P. and Moya Olsen Lear Papers, circa 1940-1943. Contains documents and drawings related to the patent application of the radio direction finding system (Case 20-1). 24 total items.

[William P. and Moya Olsen Lear Papers, Box 24, Folder 4; Box 205, Folder 5 - "Expandable ring clutch (WPL)" [L-D-123], 1943-1944 July] (Item)

Items from Box 24, Folder 4 and Box 205, Folder 5 of the William P. and Moya Olsen Lear Papers, July 1943-1944. Contains correspondence, diagrams, memos, and patent copies related to the expandable ring clutch. 27 total items and original folder labeled "Expandable ring clutch (WPL) / L-d-123."

[William P. and Moya Olsen Lear Papers, Box 28, Folder 4; Box 200, Folder 4 - Direction finders -- patent copies and diagrams [L-I-2/RM files], 1926-1941] (Item)

Items from Box 28, Folder 4 and Box 200, Folder 4 of the William P. and Moya Olsen Lear Papers, circa 1926-1941. Contains patent copies and diagrams related to Lear direction finders. 26 total items.

[William P. and Moya Olsen Lear Papers, Box 17, Folder 11; Box 200, Folder 2 - "Remote control mechanism (Case 51-1) and pilot control system for aircraft (Case 50-2)," 1940-1941] (Item)

Items from Box 17, Folder 11 and Box 200, Folder 2 of the William P. and Moya Olsen Lear Papers, circa 1940-1941. Contains patent applications and technical drawings created by William P. Lear for the remote control mechanism (Case 51-1) and pilot control system for aircraft (Case 50-2). 19 total items.

[William P. and Moya Olsen Lear Papers, Box 15, Folder 3; Box 209, Folder 2; Oversize Folder 3 - Radio apparatus chassis (Case 74-1), 1939 December - 1942 October] (Item)

Items from Box 15, Folder 3; Box 209, Folder 2; and Oversize Folder 3 of the William P. and Moya Olsen Lear Papers, December 1939 to October 1942. Contains patent applications and technical drawings created by William P. Lear for the radio apparatus chassis (Case 74-1). 17 total items.