Drilldown: Patents
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Patents > Inventor country
:
AU
or
BE
& Applicant type:
INDIV
& Related to aircraft
:
1912-01-30
or
Yes
or
frame
& Assigned to
:
John Barnes
or
Sperry Gyroscope Company
or
Sturtevant Aeroplane Co.
& Number of diagram pages:
3 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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