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Patents > National tech categories : AT 47f or DE 77 or USPC 244/153R

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Office:
Inventors:
None (11) · Ernst Georg August Baumgarten (5) · F. Gaebert (4) · Georg Fischer (3) · Carl Alfred Johansson (3) · Alexander Graham Bell (3)
Inventor country:
Applicant person:
None (62) · Ernst Georg August Baumgarten (5) · Carl Alfred Johansson (3) · Georg Fischer (3) · Alexander Graham Bell (3) · F. Gaebert (3) · Frederick William Brearey (2) · Ferdinand von Zeppelin (2) · Federico Capone (2) · Otto Hartung (2) · Claison S. Wardwell (2) · Richard Czygan (2) · Silas J. Conyne (2) · Carl Georg Rodeck (2) · Carl Friedrich Billwiller (2) · Otto Schmidt (2) · William Franklin Fleharty (2)
Applicant is inventor:
Full specification filed date:
Application number:
Granted:
Related to aircraft:
National tech categories: (Click arrow to add another value)
IPCs:
None (120) · IPC B64C31/06 (25) · IPC B64C31/00 (20) · IPC B64B1/00 (11) · IPC B64C33/02 (9) · IPC B64B1/58 (7) · IPC B64B1/40 (5) · IPC B64C23/00 (3) · IPC B64C27/04 (2) · IPC B64C39/00 (2) · IPC B64B1/06 (2) · IPC B64B1/62 (2) · IPC B64B1/30 (2)
First filing:
Cites these patents:
Citations from after 1930:
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Showing below up to 206 results in range #1 to #206.

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