Drilldown: Patents
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Patents > Inventor country :
AT or
AU or
DE
& Applicant type:
INDIV
& Related to aircraft :
1912-01-30 or
Yes
& Assigned to :
John Barnes or
Sperry Gyroscope Company or
Sturtevant Aeroplane Co.
& National tech categories:
USPC 416/200R
& Number of diagram pages:
3
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Showing below up to 1 result in range #1 to #1.