Drilldown: Patents

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Patents > Year granted: 1910 - 1919 & Office: US & Tech fields : Airship or propeller or None

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Assigned to:
None (1553) · Westinghouse Air Spring Company (2) · Curtiss Aeroplane (2)
IPCs:
None (1533) · IPC B64C39/00 (11) · IPC B64B1/00 (9) · IPC B64C33/00 (5) · IPC B64C3/00 (5) · IPC B64C13/00 (4) · IPC B64C3/38 (3) · IPC B64C27/00 (3) · IPC CPC B64C13/00 (2) · IPC B64C25/00 (2) · IPC B64C23/00 (2)
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