Drilldown: Patents

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Patents > Related to aircraft : 0 or navigation & Number of figures: 3-4

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Office:
Inventors:
Oskar Fehr (2) · Johannes Wilhelm Joost (2) · Fred Tschudy (2)
Inventor country:
Applicant person:
Fred Tschudy (2) · Oskar Fehr (2) · Johannes Wilhelm Joost (2)
Applicant type:
Applicant is inventor:
Tech fields:
None (12) · paddle-wheel (5) · hand tools (4) · marine (3) · hand tool (3) · land vehicles (3) · fabric (2) · Propulsion (2) · marine propulsion (2) · mechanical (2) · military (2) · Churn (2) · engines (2) · feathering (2)
Full specification filed date:
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Related to aircraft: (Click arrow to add another value)
Patent agent:
Munn & Co. (9) · None (6) · None (4) · C. A. Snow & Co. (2)
National tech categories:
None (40) · FR 10.1 (4) · USPC 74/469 (2) · USPC 403/246 (2)
CPCs:
None (8) · CPC F16B2/02 (8) · CPC Y10T403/4677 (8) · CPC B64C11/04 (8) · CPC F16B2200/40 (7) · CPC B64C27/54 (7) · CPC B64C11/48 (5) · CPC B64C11/006 (3) · CPC F03D1/025 (3) · CPC Y02E10/72 (3) · CPC B62C5/04 (3)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
Number of diagram pages:
Number of figures:

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