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Patents > Year granted: 1920 - 1929 & First filing: None

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None (39) · Patent AT-1917-84294 (1) · Patent BE-1920-06-14 Gastambide (1) · Patent CA-1918-196108 (1) · Patent DE 1916-10-24 Gesellschaft für Apparatenbau A. R. Ahrent und P. Heylandt G.m.b.H. (1) · Patent DE 1916-12-07 Gesellschaft für Apparatenbau A. R. Ahrent und P. Heylandt G.m.b.H. (1) · Patent DE-1914-11-12 Dr. Erich F. Huth G. m. b. H. (1) · Patent DE-1915-05-04 Luftfahrzeug-Gesellschaft m. b. H. (1) · Patent DE-1915-06-08 AGO Flugzeugwerke G. m. b. H. (1) · Patent DE-1915-10-06 AGO Flugzeugwerke G. m. b. H. (1) · Patent DE-1915-12-21 Siemens-Schuckert Werke GmbH (1) · Patent DE-1916-03-03 Ballonhüllen Gesellschaft m.b.H. (1) · Patent DE-1916-03-04 Ballonhüllen Gesellschaft m.b.H. mit Beschränkter Haftung‎ (1) · Patent DE-1916-05-12 Gothaer Waggonfabrik A. G. (1) · Patent DE-1916-05-29 Reinhold Richter (1) · Patent DE-1916-332540 (1) · Patent DE-1916-349065 (1) · Patent DE-1917-09-23 Ballonhüllen Gesellschaft m.b.H. mit Beschränkter Haftung‎ (1) · Patent DE-1917-305040 (2) · Patent DE-1917-306449 (1) · Patent DE-1917-323641 (1) · Patent DE-1918-02-20 Ballonhüllen Gesellschaft m.b.H. (1) · Patent DE-1918-03-10 Karl Schmittner or Ballonhüllen Gesellschaft m.b.H. (1) · Patent DE-1918-10-10 Ballonhüllen Gesellschaft m.b.H. (1) · Patent DE-1918-10-24 Anton Heinen or Ballonhüllen Gesellschaft m.b.H. (1) · Patent DE-1918-321397 (1) · Patent DE-1919-319462 (2) · Patent DE-1919-364419 (1) · Patent DE-1921-384750 (2) · Patent DE-1922-392861 (1) · Patent FR-1917-493342 (2) · Patent FR-1920-509911 (1)
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