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Patents > Inventor country: DE & Applicant firm: None & Tech fields: navigation

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Office:
Inventors:
Albert Graff (6) · Richard Wilcke (6) · Wilhelm Jacob Hoffmann (3) · Paul Lehmann (3) · Gustav Kerwat (3) · Ernst Georg August Baumgarten (2) · Charles Bellens (2) · August Schlegelmilch (2) · Wilhelm Goetjes (2) · Ernst Emil Freytag (2) · Hugo Lentz (2) · Ernst Carl Alexander Baumann (2) · Johann Schütte (2) · Ferdinand von Zeppelin (2) · Alfred K. R. A. Krakow (2) · Reinhard Mannesmann (2) · Ramiro de Palacios (2)
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Applicant person:
None (42) · Richard Wilcke (3) · Paul Lehmann (3) · Gustav Kerwat (3) · August Schlegelmilch (2) · Albert Graff (2)
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Related to aircraft:
National tech categories:
None (22) · DE 77 (18) · FR 6.4 (12) · GB 4 propel & steer (4) · DK 77 (4) · DE 77h.5 (4) · DE 77h.15 (3) · GB 4 with buoyant (2) · DE 77h.6 (2) · DE 42c.41 (2)
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Citations from after 1930:
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