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Patents > Office : AH or US & Number of figures: 6-7

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Office: (Click arrow to add another value)
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Tech fields:
airplane (86) · None (80) · frame (79) · LTA (55) · propulsion (53) · propeller (51) · stability (40) · navigation (36) · rudder (31) · hybrid (24) · flapping (23) · wheels (21) · control (21) · marine (20) · landing (20) · construction (18) · helicopter (17) · parachute (17) · propellers (17) · airship (16)
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Related to aircraft:
Patent agent:
None (114) · Munn & Co. (37) · Victor J. Evans (25) · None (11) · John P. Tarbox (5) · James L. Norris (4) · Randolph, Jr. (4) · C. A. Snow & Co. (3) · William Wallace White (3) · Briesen & Knauth (3) · E. G. Siggers (3) · H. R. Kerslake (3) · A. M. Wilson (3) · Herbert H. Thompson (3)
Assigned to:
None (369) · Sperry Gyroscope Company (4) · Moteurs Salmson (2)
IPCs:
None (294) · IPC B64B1/00 (16) · IPC B64C33/00 (10) · IPC B64C39/00 (8) · IPC B64C3/00 (8) · IPC B64C25/00 (7) · IPC B64C13/00 (7) · IPC F42B10/00 (4) · IPC B64C3/38 (4) · IPC B64C1/00 (4) · IPC B64C17/00 (4) · IPC B64C31/00 (4) · IPC B64D17/00 (3) · IPC B64C3/18 (3) · IPC B64C31/06 (3) · IPC B64C29/00 (3)
First filing:
Citations from after 1930:
Number of diagram pages:
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