Drilldown: Patents
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Patents > Year granted:
1911
& Supplementary to patent:
None
& National tech categories:
USPC 244/139
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None (8) ·
airfoil (1) ·
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car (1) ·
cargo (1) ·
descent (1) ·
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frame (7) ·
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propeller (5) ·
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safety (5) ·
stability (4) ·
wheels (1) ·
wings (1)
Showing below up to 15 results in range #1 to #15.
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