Drilldown: Patents
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Patents > Office
:
CL
or
DE
or
GB
& Grant date:
1920 - 1929
& CPCs
:
CPC B64B1/58
or
CPC B64C13/00
or
CPC B64C3/385
& Citations from after 1930:
None
& Number of claims:
None ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Use the filters below to narrow your results.
None (1) ·
BERLINER METALL (1) ·
Chessborough Mackenzie-Kennedy (2) ·
ESSER FRITZ (1) ·
FRIEDRICH HARTH (1) ·
GRAF ANATOLIUS VON PLATTER DIP (1) ·
Hermann Werner (1) ·
JAKOB FABER (1) ·
James Vernon Martin (1) ·
KETSCHENDORFER KUNSTLEDERFABRI (1) ·
Luft Fahrzeug G.m.b.H. (1) ·
MOTEURS SALMSON (1) ·
Otto LEBACH (1) ·
Thomas O BRIEN Hubbard (1) ·
ZEPPELIN LUFTSCHIFFBAU (1)
Showing below up to 16 results in range #1 to #16.