Drilldown: Patents

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Patents > Office : DK or HU or IN or US & National tech categories: None & Number of figures: None

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Tech fields:
None (1353) · propulsion (27) · LTA (25) · airplane (22) · marine (22) · propeller (16) · windmill (11) · military (10) · helicopter (10) · navigation (8) · stability (7) · brakes (6) · paddle-wheel (6) · kite (5) · parachute (4) · propellers (4) · frame (4) · electronics (4)
Granted:
Supplementary to patent:
None (1485) · 1 (7)
Related to aircraft:
Patent agent:
None (1478) · 1 (14) · 1911-02-28 (2) · 1911-05-30 (2) · 0 (2)
Assigned to:
None (1480) · 1 (22) · Dewey Corporation (2) · Syracuse, NY (2)
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