Drilldown: Patents
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Patents > Office:
US
& National tech categories:
USPC 244/233
& IPCs:
None
& Number of text pages:
2-3 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Amos J. Helm (1) ·
Frank Ezra Summers (1) ·
Frederick Philip Godson (1) ·
George B. Schley (1) ·
Johan Richard Froberg (1) ·
John Anderson (1) ·
John Eddy (1) ·
John Thomas Simpson (1) ·
John Washington Wilson (1) ·
Jose Coronel (1) ·
Lewis Hector Ray (1) ·
Ringert Jongewaard (1) ·
Rufus L. Neal (1) ·
Samuel S. Yarrington (1) ·
William C. Griffin (1)
None (5) ·
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control (2) ·
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flapping (1) ·
frame (3) ·
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propellers (1) ·
rudder (4) ·
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stability (1) ·
takeoff (2) ·
wheels (2) ·
wings (1)
Showing below up to 13 results in range #1 to #13.
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