Drilldown: Patents
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Patents > Applicant type :
COMPANY+INDIV or
UNIV-PRO-GOV or
None
& Filing date:
1910 - 1919
& National tech categories :
FR 5 or
FR 6.4 or
IT 8 or
USPC 244/153R
& IPCs:
IPC B64B1/00
& First filing:
No
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Showing below up to 7 results in range #1 to #7.