Drilldown: Patents

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Patents > Patent agent: None & Number of claims: 11-13

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Office:
Inventors:
None (2) · James Dennis Roots (2) · Richard A. Engler (2) · John P. Tarbox (2)
Inventor country:
Applicant person:
None (10) · Richard A. Engler (2) · James Dennis Roots (2)
Applicant is inventor:
Tech fields:
airplane (22) · frame (17) · stability (14) · design (11) · propulsion (11) · LTA (9) · navigation (8) · None (7) · propellers (7) · construction (5) · rudder (5) · balloon (5) · hybrid (4) · ornithopter (4) · propeller (4) · biplane (4) · HTA (4)
Full specification filed date:
Application number:
None (19)
Granted:
Related to aircraft:
Patent agent: (Click arrow to add another value)
CPCs:
None (22) · CPC B64B1/00 (4) · CPC B64C33/02 (4) · CPC B64C2700/6295 (3) · CPC B64C33/00 (3) · CPC B64C13/00 (3) · CPC B64C25/60 (2)
First filing:
Citations from after 1930:
Number of claims:
Number of diagram pages:

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