Drilldown: Patents

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Patents > Filing date: 1800 - 1899 & Number of diagram pages: 3-4 & Number of figures: 5-13

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Office:
Inventors:
Edward Payson Johnston (2)
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Applicant person:
None (7) · Edward Payson Johnston (2)
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Tech fields:
propulsion (24) · LTA (23) · navigation (13) · Frame (12) · balloon (9) · propeller (8) · car (8) · flapping (7) · rudder (6) · marine (5) · stability (4) · sail (4) · landing (3) · electric (3) · Windmill (3) · wheels (3) · Takeoff (3) · airplane (3)
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None (11) · USPC 244/30 (3) · USPC 244/28 (3) · GB 4 without buoyant (2) · USPC 244/20 (2) · DE 77 (2) · USPC 244/25 (2) · GB 4 motors (2) · GB 4 propel & steer (2) · USPC 416/112 (2) · USPC 114/21.1 (2)
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Showing below up to 46 results in range #1 to #46.

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