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Patents > Supplementary to patent: None & Patent agent: None & Number of claims: 11-14

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Office:
Inventors:
None (2) · John P. Tarbox (2) · Richard A. Engler (2) · James Dennis Roots (2)
Inventor country:
Applicant person:
None (10) · James Dennis Roots (2) · Richard A. Engler (2)
Applicant is inventor:
Tech fields:
airplane (22) · frame (14) · stability (14) · propulsion (9) · LTA (8) · navigation (8) · None (8) · Design (7) · propellers (6) · propeller (5) · hybrid (5) · ornithopter (5) · marine (4) · rudder (4) · HTA (4) · balloon (4) · whole (4)
Full specification filed date:
Application number:
None (16)
Granted:
Publication date:
Supplementary to patent: (Click arrow to add another value)
Related to aircraft:
Patent agent: (Click arrow to add another value)
National tech categories:
None (19) · HU V/h (11) · USPC 244/45R (3) · AU 90.3 (2) · USPC 244/233 (2) · USPC 244/22 (2)
CPCs:
None (17) · CPC B64C33/02 (5) · CPC B64C33/00 (4) · CPC B64C2700/6295 (4) · CPC B64C13/00 (3) · CPC B64B1/00 (2) · CPC B64C1/00 (2) · CPC B64C25/60 (2) · CPC B64C17/00 (2)
First filing:
Citations from after 1930:
Number of claims:
Number of diagram pages:

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