Drilldown: Patents
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Patents > Inventor country:
None
& Applicant firm :
Luft Fahrzeug G.m.b.H. or
None
& Grant date:
April 6, 1920
& National tech categories :
FR 6.2 or
USPC 244/218
& IPCs :
IPC B64C23/00 or
IPC B64C3/00 or
IPC B64C3/38 or
IPC B64C39/00
& CPCs :
CPC B64C2700/6274 or
CPC B64C3/54
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