Drilldown: Patents

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Patents > Year filed: 1900 - 1909 & Applicant firm: None & IPCs: None

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US (668) · FR (328) · DE (272) · None (219) · GB (214) · IT (74) · HU (57) · BE (56) · AT (53) · CH (34) · RU (20) · AU (19) · MX (16) · AH (16) · CA (15) · NZ (15) · NL (13) · SE (12) · Poland (9) · AR (9)
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None (2069) · 1 (25)
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Cites these patents:
None (2077) · 0 (7) · 1909 (4) · 1 (3) · 1904 (2) · Patent GB-1901-346 (2) · USPC 244/48 (2) · 1907 (2)
Citations from after 1930:

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