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Patents > Tech fields : control or lift & CPCs : CPC B64C39/00 or None & Number of text pages: 1-2

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Inventors:
None (13) · Eduard Penkala (4) · Jean Georges Ramel (3) · Rudolf Penkala (3) · Max Richter (3) · Jacob Christian Hansen-Ellehammer (2) · Alois Laube Jr. (2) · Joseph Wetterwald (2) · Arkady Iospé (2)
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Applicant person:
None (13) · Eduard Penkala (4) · Rudolf Penkala (3) · Max Richter (3) · Jean Georges Ramel (3) · Arkady Iospé (2) · Joseph Wetterwald (2) · Jacob Christian Hansen-Ellehammer (2) · Alois Laube Jr. (2)
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Application number:
None (53)
Granted:
Supplementary to patent:
None (65) · Patent FR-1909-399456 (3) · Patent FR-1909-399456.11513 (2) · Patent CH-1910-52044 (2) · Patent DE-1907-202942 (2)
Related to aircraft:
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CPCs: (Click arrow to add another value)
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Citations from after 1930:
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