Drilldown: Patents

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Patents > Office : BE or IT or MX or Other & Tech fields: propeller & IPCs: None & First filing: Yes & Cites these patents : Patent GB-1901-346 or None & Citations from after 1930: None & Number of figures: 4-6

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Office: (Click arrow to add another value)
Inventors:
Richard Czygan (2)
Inventor country:
Applicant person:
None (5) · Richard Czygan (2)
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Related to aircraft:
National tech categories:
None (10) · DE 77 (5) · USPC 244/87 (3) · RU Group V (2) · USPC 244/139 (2) · USPC 244/60 (2) · USPC 244/51 (2)
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Showing below up to 40 results in range #1 to #40.

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