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Patents > Office: US & CPCs : CPC B64B1/40 or CPC B64C3/40

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Office: (Click arrow to add another value)
Inventors:
Ralph Hazlett Upson (3) · John J. Rectenwald (2) · James Hartness (2) · Amos A. Wyckoff (2) · John R Gammeter (2) · Hermann Naatz (2) · Romeo Wankmüller (2)
Inventor country:
Applicant person:
None (16) · Luft Fahrzeug G.m.b.H. (2) · John J. Rectenwald (2) · James Hartness (2)
Applicant is inventor:
Tech fields:
Full specification filed date:
Application number:
None (24)
Granted:
Publication date:
Related to aircraft:
Patent agent:
None (65) · Munn & Co. (5) · Victor J. Evans (4) · H. C. Evert & Co. (2) · None (2)
National tech categories:
None (25) · USPC 244/127 (16) · USPC 244/46 (15) · USPC 244/96 (12) · USPC 244/32 (12) · USPC 244/33 (10) · USPC 244/31 (6) · USPC 244/99 (4) · USPC 244/104R (3) · USPC 244/94 (2) · USPC 244/128 (2) · USPC 104/22 (2) · USPC 244/97 (2) · USPC 244/119 (2) · USPC 244/138R (2)
CPCs: (Click arrow to add another value)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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