Drilldown: Patents

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Patents > Tech fields : frame or ornithopter & IPCs : IPC B64C3/00 or IPC B64C31/06 or IPC B64C33/00 or None & First filing: No & Number of claims: 3-4

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Inventors:
None (10) · Carl Hanschke (2) · Nazaire Lacrotte (2) · Oswald François Leopold Keun (2) · John Washington Wilson (2) · Robert Esnault-Pelterie (2) · Ernst Emil Freytag (2)
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None (24) · Nazaire Lacrotte (2) · Carl Hanschke (2) · Robert Esnault-Pelterie (2) · John Washington Wilson (2)
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Supplementary to patent:
None (25) · Patent DE-1909-220044 (2) · Patent FR-1907-373818 (2) · Patent DE-1910-06-18 Carl Hanschke (2) · Patent US-1909-970771 (2)
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Showing below up to 67 results in range #1 to #67.

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