Drilldown: Patents

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Patents > Office : CA or RU & Number of text pages: 3-7

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Office: (Click arrow to add another value)
Inventors:
Romeo Wankmüller (2) · Thomas Sopwith (2) · Joseph Wetterwald (2)
Inventor country:
Applicant person:
None (7) · Joseph Wetterwald (2) · Romeo Wankmüller (2) · Thomas Sopwith (2)
Applicant type:
Applicant is inventor:
Tech fields:
airplane (18) · LTA (12) · frame (12) · stability (8) · design (8) · propeller (7) · balloon (6) · hybrid (6) · propulsion (6) · control (5) · construction (4) · car (4) · navigation (4) · safety (4) · rudder (4) · flapping (4) · airship (4) · metal (4) · passenger (4) · flying machine (4)
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Citations from after 1930:
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