Drilldown: Patents

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Patents > Applicant is inventor: No & Grant date: 1920 - 1929 & Assigned to: None & Number of claims: None

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Office:
Inventors:
None (143) · Henry Kleckler (7) · Glenn Hammond Curtiss (5) · Charles B. Kirkham (4) · Ralph Hazlett UPSON (3) · Francis J PLYM (3) · Vladimir Olhovsky (2) · Stephane Drzewiecki (2) · Louis T Frederick (2) · John W RAPP (2) · Henry L Haskell (2) · Douglas DOBBINS (2) · William L Gilmore (2) · Arthur F BLASIAR (2) · APP D AVIAT DOUTRE (2)
Inventor country:
Applicant person:
None (44) · HELIX PROPELLER GES M (7) · Frederick Handley Page (6) · NIEUPORT (5) · HANRIOT (5) · MERCUR FLUGZEUGBAU (5) · GOODYEAR TIRE RUBBER (4) · KAWNEER (4) · Chessborough Mackenzie-Kennedy (4) · Luft Fahrzeug G.m.b.H. (3) · MOTEURS SALMSON (3) · Rudolf Wagner (3) · Siemens-Schuckert-Werke G.m.b.H. (3) · EISENFUEHR (3)
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None (4)
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CPCs:
CPC B64C3/00 (20) · CPC B64C17/00 (13) · CPC B64C2700/6295 (13) · CPC B64C39/00 (12) · CPC B64C2700/6233 (11) · CPC B64C13/00 (11) · CPC B64C11/04 (11) · CPC B64C2700/6235 (9) · CPC B64C35/00 (9) · CPC B64C2700/6256 (9) · CPC B64B1/58 (8) · CPC B64C2700/6212 (7) · CPC B64C1/12 (7) · CPC B64C2001/0081 (7) · CPC B64C3/185 (7) · CPC B64C25/62 (6) · CPC B64B1/00 (6) · CPC B64C23/005 (6) · CPC B64C9/00 (6)
First filing:
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Citations from after 1930:
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