Drilldown: Patents
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Patents > Year granted:
1920 - 1929
& Inventor country:
US
& Applicant firm:
None
& Applicant is inventor:
Yes
& Supplementary to patent:
Dec 28, 1917 in the U.S.
& IPCs :
IPC B64B1/58 or
IPC B64C25/00 or
IPC B64C3/00 or
IPC B64C39/00
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Showing below up to 1 result in range #1 to #1.