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Patents > National tech categories : AT 77d or GB 4 without buoyant or USPC 244/30

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Office:
Applicant person:
None (148) · Reinhold Richter (9) · Heinrich Bier (4) · Ludwig Schmidl (3) · Adalbert Placek (3) · Alfred E. Wunderlich (3)
Applicant is inventor:
Tech fields:
airplane (116) · LTA (109) · frame (96) · propulsion (70) · navigation (49) · design (49) · wings (46) · propeller (44) · None (39) · construction (38) · stability (37) · Subsystem (34) · balloon (32) · car (30) · propellers (28) · flapping (27) · aerodynamics (27) · whole (25) · wheels (23) · rudder (22)
Full specification filed date:
Application number:
None (298)
Granted:
Supplementary to patent:
None (244) · Patent IT-1910-10-17 Carlo Navaro (2) · Patent DE-1908-221549 (2) · Patent DE-1909-227246 (2) · Patent AT-1912-64662 (2) · Patent DE-1912-08-27 AGO Flugzeugwerke G. m. b. H. (2)
Related to aircraft:
National tech categories: (Click arrow to add another value)
IPCs:
None (288) · IPC B64B1/00 (36) · IPC B64B1/02 (3) · IPC B64C3/38 (2) · IPC B64C3/00 (2)
First filing:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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