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Patents > Assigned to : Albert L. Watters or Tarbox Safety Aircraft Company or None & IPCs : IPC B64C3/00 or IPC B64C31/06 or IPC B64C39/00 or None & Citations from after 1930: 1-2

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Tech fields:
None (74) · propeller (38) · stability (35) · propulsion (35) · frame (31) · Airplane (28) · helicopter (19) · LTA (17) · navigation (16) · wheels (14) · rudder (14) · parachute (13) · car (11) · safety (11) · marine (10) · military (9) · control (8) · airfoil (8) · whole (8)
Full specification filed date:
Application number:
None (83)
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Patent agent:
Munn & Co. (31) · None (27) · Victor J. Evans (14) · None (9) · C. A. Snow & Co. (4) · Chandler & Chandler (4) · A. M. Wilson (4)
Assigned to: (Click arrow to add another value)
National tech categories:
None (116) · USPC 244/80 (8) · USPC 244/45R (7) · USPC 244/20 (6) · USPC 244/6 (6) · USPC 244/35R (5) · FR 6.4 (5) · USPC 244/66 (5) · USPC 244/9 (4) · USPC 416/129 (4) · USPC 244/3.23 (4) · USPC 244/177 (4) · USPC 244/22 (4) · USPC 244/17.19 (4)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C39/005 (20) · None (18) · CPC B64C27/54 (17) · CPC B64C2700/6295 (16) · CPC B64C3/00 (16) · CPC B64C11/48 (14) · CPC B64C17/00 (14) · CPC B64C23/005 (13) · CPC B64C13/00 (12) · CPC B64C11/006 (11) · CPC B64B1/00 (11) · CPC B64C2700/6235 (10) · CPC B64C27/82 (9) · CPC B64C39/08 (8) · CPC B64C3/14 (7) · CPC B64C39/00 (7) · CPC B64C39/026 (7) · CPC B64C11/04 (6)
First filing:
Citations from after 1930:
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