Drilldown: Patents
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Patents > Filing date:
1880 - 1889
& Related to aircraft :
marine or
Other
& Assigned to :
Sperry Gyroscope Company or
None
& CPCs :
CPC B64C39/005 or
CPC F42B10/30
& First filing:
Yes
Use the filters below to narrow your results.
Showing below up to 8 results in range #1 to #8.