Drilldown: Patents
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Patents > Inventor country :
HU or
US
& Full specification filed date:
December 31, 1969
& Application number:
propeller
& Granted:
Yes
& Assigned to:
1
& Cites these patents:
USPC 244/70
& Citations from after 1930:
None
& Number of claims:
None
Use the filters below to narrow your results.
Showing below up to 2 results in range #1 to #2.