Drilldown: Patents
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Patents > Grant date:
June 1903
& Publication date:
1900 - 1999
& Related to aircraft :
1852-08-14 or
Yes
& National tech categories :
AT 77d or
FR 6.3 or
USPC 244/90R
& Family year:
1903
& Citations from after 1930:
None
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Showing below up to 1 result in range #1 to #1.