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 6.4
or
USPC 244/153R
& IPCs:
IPC B64B1/00
& First filing:
No ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 7 results in range #1 to #7.