Drilldown: Patents
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Patents > Applicant type:
INDIV
& Application number :
1910580214 or
propeller
& Granted:
Yes
& Assigned to :
Albert L. Watters or
None
& National tech categories:
USPC 244/233
& IPCs :
IPC B64C13/00 or
IPC B64C31/06 or
IPC B64C39/00
& Citations from after 1930:
None
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Showing below up to 1 result in range #1 to #1.