Drilldown: Patents
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Patents > Inventor country:
DE
& Assigned to :
Curtiss Aeroplane and Motor Corporation or
Rubber Balloon Company of America or
Sperry Gyroscope Company or
None
& National tech categories :
DE 77 or
FR 6.4 or
USPC 244/90R
& IPCs:
IPC B64C39/00
& Citations from after 1930:
None
& Number of claims:
1-3
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Showing below up to 12 results in range #1 to #12.