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Patents > Related to aircraft : 0 or 0? or No

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Tech fields:
None (148) · marine (38) · propulsion (30) · windmill (18) · propeller (14) · fabric (13) · Paddle-wheel (13) · hand tools (10) · Churn (9) · electric (8) · military (7) · marine propulsion (6) · car (6) · joints (5) · electricity (5) · projectile (5) · Propellers (5) · instrument (5) · frame (5)
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None (314)
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Supplementary to patent:
None (405)
Related to aircraft: (Click arrow to add another value)
Patent agent:
None (230) · Munn & Co. (15) · None (13) · C. A. Snow & Co. (6) · A. Ritter (3) · Victor J. Evans (3) · Lavoix et Mosès (3) · Charles Assi (2) · Phillips & Leigh (2) · Chas. B. Mann (2) · Louis Bagger & Co. (2) · John P. O'Donnell (2) · Marillier et Robelet (2) · Marks & Clerk (2) · W. J. FitzGerald & Co. (2) · Boramé et Julien (2) · James Sheehy (2) · Armengaud jeune (2) · Armengaud aine (2) · Wheatley & Mackenzie (2)
Assigned to:
None (398) · Magneso Calcite Fire-Proof Company (2)
National tech categories:
None (285) · FR 10.1 (12) · USPC 24/713.8 (11) · FR 6.3 (7) · FR 20.1 (4) · FR 5.8 (4) · FR 5.3 (4) · FR 6.3? (3) · USPC 244/119 (3) · DE 80 (3) · DE 13 (3) · FR 10.2 (3)
IPCs:
None (346) · IPC B64C5/04 (26) · IPC B62C5/04 (14) · IPC B64B1/00 (6) · IPC B64C3/00 (5)
First filing:
Citations from after 1930:
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