Drilldown: Patents
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Patents > Filing date:
September 1911
& Grant date:
November 7, 1911
& Granted :
Yes or
None
& National tech categories:
USPC 244/45R
& CPCs:
CPC B64C2700/6295
& First filing:
Yes
& Cites these patents:
None
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Showing below up to 1 result in range #1 to #1.