Drilldown: Patents

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Patents > Inventor location: None & National tech categories: None & Number of claims: 10-11

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Office:
Inventors:
Henry Kleckler (3) · Spencer Heath (3) · James Dennis Roots (2) · Charles F. Roper (2) · Enrique Lazarte (2)
Inventor country:
Inventor location: (Click arrow to add another value)
Applicant person:
None (6) · Spencer Heath (3) · Henry Kleckler (2) · William Phillips Thompson (2) · James Dennis Roots (2) · Charles F. Roper (2) · Enrique Lazarte (2)
Applicant is inventor:
Tech fields:
None (15) · frame (12) · propeller (11) · design (10) · airplane (8) · propulsion (8) · stability (8) · wings (7) · construction (7) · LTA (6) · propellers (6) · control (6) · chassis (5) · hybrid (5) · military (4) · navigation (4)
Full specification filed date:
Application number:
None (27)
Granted:
Publication date:
Related to aircraft:
Patent agent:
None (15) · Boult, Wade & Tennant (5) · Haseltine, Lake & Co. (4) · John P. Tarbox (4) · Marks & Clerk (3) · William Wallace White (2) · Jensen & Son (2) · E. R. Royston & Co. (2) · A. M. & William Clark (2) · None (2)
National tech categories: (Click arrow to add another value)
CPCs:
None (17) · CPC B64C2700/6295 (6) · CPC B64C39/00 (4) · CPC B64C11/006 (3) · CPC B64C25/60 (3) · CPC B64C3/385 (3)
First filing:
Citations from after 1930:
Number of claims:
Number of diagram pages:

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