Drilldown: Patents

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Patents > Year granted: 1910 - 1919 & Office : AH or DE or GB or SAX & Applicant type : Hermann Burkardt or INDIV or INIV or None & Tech fields: navigation & First filing: Yes

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Halvor Gaara (2) · George Sutherland Dodman (2) · Andrew John Fredrikson (2) · René Tampier (2)
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Showing below up to 42 results in range #1 to #42.

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