Drilldown: Patents
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Patents > Applicant firm :
Curtiss Aeroplane or
Luft-Verkehrs-Gesellschaft m.b.H. or
None
& Applicant type :
AGENT or
INDIV
& Filing date:
1880 - 1889
& Granted:
No
& National tech categories:
DE 77
& IPCs :
IPC B64C23/00 or
IPC B64C3/38 or
IPC B64C39/00
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