Drilldown: Patents
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Patents > Inventor country:
US
& Applicant type :
Other or
None
& Filing date:
1900 - 1909
& Supplementary to patent:
None
& National tech categories:
USPC 244/127
& CPCs :
CPC B64B1/40 or
CPC B64C39/005
& First filing:
Yes
& Number of figures:
2-4
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Showing below up to 1 result in range #1 to #1.