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Patents > Office: DE & Grant date: 1920 - 1929 & National tech categories : USPC 244/30 or None & IPCs: None

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None (10) · HELIX PROPELLER GES M (7) · Rudolf Wagner (3) · ZEPPELIN WERK LINDAU (2) · ZEPPELIN LUFTSCHIFFBAU (2) · HENSCHEL FLUGZEUG WERKE (2) · Hans Reissner (2) · Siemens-Schuckert-Werke G.m.b.H. (2) · Luft Fahrzeug G.m.b.H. (2) · EISENFUEHR (2)
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CPC B64C3/00 (8) · CPC B64B1/58 (5) · CPC B64C11/36 (4) · CPC B64C11/04 (4) · CPC B64C2700/6235 (4) · CPC B64C2700/6233 (4) · CPC B64C35/00 (4) · CPC B64B1/00 (3) · CPC B64C25/62 (3) · CPC B64C3/56 (3) · CPC B64C2700/6295 (3) · CPC B64F2700/6261 (3) · CPC B64C1/12 (3)
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Showing below up to 77 results in range #1 to #77.

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