Drilldown: Patents

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Patents > Tech fields: stability & Number of claims: 10-12

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Office:
Inventors:
Alfred John Macy (5) · George Brougham Hubert Austin (3) · Ralph Hazlett Upson (2) · John Seiler (2) · Edmund Sparmann (2)
Inventor country:
Applicant person:
None (9) · Alfred John Macy (5) · Edmund Sparmann (2) · George Brougham Hubert Austin (2)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
None (12) · 1913781506 (2)
Granted:
Publication date:
Related to aircraft:
National tech categories:
None (13) · FR 6.4 (8) · USPC 244/80 (6) · USPC 244/177 (5) · USPC 244/113 (2) · USPC 244/90R (2) · AU 90.3 (2) · GB 4 propel & steer (2) · HU V/h (2) · USPC 244/45R (2)
First filing:
Citations from after 1930:
Number of claims:

Showing below up to 59 results in range #1 to #59.

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