Drilldown: Patents
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Patents > Office:
US
& Applicant type
:
INDIV
or
UNIV-PRO-GOV
& Grant date:
October 12, 1920
& Granted
:
Yes
or
None
& IPCs
:
IPC B64C27/04
or
IPC B64C39/00
& Cites these patents
:
1909
or
Patent GB-1909-25116
or
Patent GB-1909-3202
or
serial number 97533 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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