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Patents > Supplementary to patent : Patent US-1908-12-14-Lee or None & Citations from after 1930: 2-5

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Tech fields:
None (55) · propeller (26) · LTA (25) · stability (22) · military (18) · projectile (16) · frame (15) · helicopter (15) · propulsion (15) · airplane (14) · marine (13) · navigation (10) · parachute (9) · rudder (9) · wheels (8) · kite (8) · safety (7) · propellers (7) · landing (7) · Windmill (7)
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None (91) · 1910567949 (2)
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Supplementary to patent: (Click arrow to add another value)
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Patent agent:
Munn & Co. (24) · None (22) · None (12) · Victor J. Evans (12) · C. C. Hines (4) · Charles W. Hills (3) · H. B. Willson & Co. (2) · Hazard Strauss (2) · Marks & Clerk (2) · Dom. Casalonga (2) · James L. Norris (2) · John P. Tarbox (2) · Dodge & Sons (2) · Brown & Hopkins (2) · Eric W. Walford (2) · Boult, Wade & Tennant (2) · J. Bonnet-Thirion (2) · Henry Lucke (2) · B. Singer (2) · Parker & Burton (2)
National tech categories:
None (94) · USPC 244/3.23 (13) · FR 6.4 (9) · USPC 244/153R (6) · USPC 416/129 (4) · USPC 244/97 (4) · USPC 244/17.15 (4) · USPC 244/17.11 (4) · USPC 244/35R (4) · USPC 244/73R (3) · USPC 244/60 (3) · USPC 244/52 (3) · USPC 244/139 (3) · USPC 416/113 (3) · USPC 244/25 (3) · USPC 244/234 (3) · USPC 244/22 (3) · USPC 244/30 (3)
IPCs:
None (140) · IPC B64B1/00 (13) · IPC B64C31/06 (7) · IPC B64C31/00 (7) · IPC B64C3/00 (6) · IPC F42B10/00 (6) · IPC B64C25/00 (5) · IPC B64C23/00 (4) · IPC B64C27/04 (4) · IPC B64C13/00 (4) · IPC B64C39/00 (4) · IPC B64C3/38 (3) · IPC B64C3/54 (3) · IPC B64C3/56 (3) · IPC B64C17/00 (3)
CPCs:
CPC B64B1/00 (12) · CPC F42B10/30 (10) · CPC B64C27/54 (10) · CPC B64C11/48 (9) · CPC B64C11/006 (9) · CPC Y02E10/74 (8) · CPC B64C23/005 (8) · CPC B64C13/00 (8) · CPC B64C27/82 (7) · CPC B64C17/00 (7) · CPC F03D3/00 (6) · CPC B63H5/10 (6) · CPC B64C33/02 (6) · CPC A63H27/08 (6) · CPC B64C2700/6295 (5) · None (5) · CPC B63H1/04 (5)
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Citations from after 1930:
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