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Patents > Patent agent : Dicker, Pollak & Derriman or Herbert Haddan & Co. & Number of claims: 1-4

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Office:
Inventors:
Émile Letord (8) · Gustav Mees (4) · Hirzel Denis de Mussenden Carey (3) · None (3) · Archibald Montgomery Low (2) · Simon Brubaker Minnich (2) · Carl Alfred Johansson (2) · Philipp Doerhoefer (2)
Inventor country:
Applicant person:
Émile Letord (8) · Gustav Mees (4) · Hirzel Denis de Mussenden Carey (3) · None (3) · Philipp Doerhoefer (2) · Archibald Montgomery Low (2) · Simon Brubaker Minnich (2) · Carl Alfred Johansson (2)
Applicant is inventor:
Tech fields:
airplane (11) · stability (10) · LTA (8) · frame (8) · construction (7) · None (6) · design (6) · control (6) · automatic stability (5) · structure (4) · safety (4) · Propellers (4) · mounting (4) · wings (4) · balloon (4) · assembly (4)
Full specification filed date:
Application number:
None (14) · 1732817 (3)
Granted:
Publication date:
Supplementary to patent:
None (17) · Patent FR-1917-494365 (2)
Related to aircraft:
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National tech categories:
CPCs:
CPC B64C17/00 (8) · CPC B64C2700/6218 (6) · None (5) · CPC B64C35/00 (3) · CPC B64C3/48 (3) · CPC B64D33/10 (3) · CPC B64C23/005 (3) · CPC B64C33/02 (2) · CPC B64D17/80 (2) · CPC B64C2700/6295 (2) · CPC B64C2700/6274 (2) · CPC B64C2700/6216 (2) · CPC B64C17/06 (2) · CPC B64F2700/628 (2) · CPC B64C39/00 (2)
First filing:
Citations from after 1930:
Number of text pages:
Number of claims:
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