Drilldown: Patents

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Patents > Office : DE or HU & Tech fields : design or propulsion & Filing date: 1800 - 1899

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Inventors:
None (4) · Richard Czygan (3) · Ernst Georg August Baumgarten (3) · Paul Nipkow (2) · Edward Zarski (2) · Raphael Ernst May (2)
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Applicant person:
None (27) · Richard Czygan (3) · Edward Zarski (2) · Raphael Ernst May (2) · Ernst Georg August Baumgarten (2)
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Full specification filed date:
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Citations from after 1930:
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Showing below up to 65 results in range #1 to #65.

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