Drilldown: Patents
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Patents > Year filed:
1920 - 1929
& Related to aircraft :
1 or
1852-08-14
& Assigned to:
None
& Number of claims:
4-6
Use the filters below to narrow your results.
None (2) ·
airplane (5) ·
ascension (1) ·
chassis (1) ·
control (3) ·
descent (1) ·
design (3) ·
frame (2) ·
helicopter (1) ·
hydroaeroplane (1) ·
landing (1) ·
marine (1) ·
propeller (2) ·
propellers (1) ·
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safety (1) ·
seaplane (2) ·
sensors (1) ·
stability (1) ·
steering (2) ·
wheels (1) ·
wings (4)
None (7) ·
Patent DE-1917-306449 (1) ·
Patent DE-1917-375592 (1) ·
Patent DE-1917-Zeppelin-Werke (1) ·
Patent DE-1918-388537 (1) ·
Patent DE-1921-384750 (1) ·
Patent ES-1919-07-03-Pescara (1) ·
Patent FR-1916-501550 (1) ·
Patent FR-1917-493342 (1) ·
Patent GB-1919-07-29 Vickers Limited (1) ·
Patent GB-1920-04-06 Vickers Limited (1)
Showing below up to 16 results in range #1 to #16.
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