Drilldown: Patents
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None (42) ·
aerial propeller (1) ·
Aerostat (1) ·
airplane (4) ·
Airship (1) ·
airships (1) ·
ascension (1) ·
construction (1) ·
design (1) ·
frame (2) ·
heavier-than-air (1) ·
helicopter (1) ·
hybrid (1) ·
Hydroplane (1) ·
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Navigation (1) ·
paddle wheel (1) ·
propeller (4) ·
propellers (2) ·
propulsion (6) ·
safety (1) ·
stability (1) ·
Subsystem (1) ·
sustentation (1) ·
wheels (1) ·
windmill (1)
Filing date:
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Family year:
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Showing below up to 54 results in range #1 to #54.
