Drilldown: Patents

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Patents > Publication date: 1900 - 1999 & Number of text pages: 5-7 & Number of claims: 7-10

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Office:
Inventors:
Alfred John Macy (3) · Franz Xaver Wels (3) · Ignaz Etrich (2) · Walter Hermann von Mach (2) · Franz Wondra (2)
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Applicant person:
None (8) · Franz Xaver Wels (3) · Alfred John Macy (3) · Ignaz Etrich (2) · Franz Wondra (2)
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Application number:
None (18) · 25941D (3)
Granted:
Supplementary to patent:
None (37) · Patent US-1904-876125 (2)
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Citations from after 1930:
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