Drilldown: Patents

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Patents > Year filed: 1900 - 1909 & Applicant type : Hermann Burkardt or INDIV & IPCs: None

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US (570) · FR (249) · DE (237) · GB (200) · None (148) · HU (54) · BE (51) · AT (48) · IT (30) · CH (25) · RU (20) · AU (16) · MX (16) · CA (15) · AH (13) · NL (12) · NZ (12) · SE (11) · Poland (10) · AR (9)
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Cites these patents:
None (1713) · 0 (6) · 1909 (4) · 1907 (2) · Patent GB-1901-346 (2) · USPC 244/48 (2) · 1 (2)
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