Drilldown: Patents
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Patents > Office :
DE or
SU
& Grant date:
1920 - 1929
& Granted:
Yes
& Supplementary to patent :
DE79446 or
Patent HU-1901-24148 or
None
& CPCs :
CPC B64C13/00 or
CPC B64C2001/0081 or
CPC B64C2700/6212
Use the filters below to narrow your results.
None (1) ·
Alfredo Guillermo Leigh (1) ·
Anton Flettner (4) ·
BERLINER METALL (1) ·
Claude Dornier (1) ·
Claudius Dornier (1) ·
ESSER FRITZ (1) ·
Franz Drexler (1) ·
Fritz Huth (1) ·
Hermann Werner (1) ·
Jacob Emil Noeggerath (1) ·
Jacob Knappich (1) ·
James Vernon Martin (1) ·
JOHANN RETTI MARSANICH (1) ·
MERCUR FLUGZEUGBAU (1) ·
Michael Schleiffer (1) ·
Michel Schleiffer (1) ·
Raimund Nimfuehr (1)
None (2) ·
323881D (1) ·
325131D (1) ·
325209D (1) ·
325537D (1) ·
326546D (1) ·
327797D (1) ·
329821D (1) ·
340778D (1) ·
345582D (1) ·
B0082366 (1) ·
F0042008 (1) ·
F0042892 (1) ·
F0043450 (1) ·
F0050366 (1) ·
G0047016 (1) ·
SC052670 (1) ·
SC052855 (1) ·
Z0011003 (1)
Showing below up to 20 results in range #1 to #20.