Drilldown: Patents
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Patents > Year filed:
1912
& Related to aircraft
:
1911-07-04
or
DE 369478
or
yes, Jul 6 1908
& Assigned to
:
Albert L. Watters
or
Fred Singer
& CPCs
:
CPC B64C2700/6256
or
CPC B64C2700/6295
& Number of figures:
8-9 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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