Drilldown: Patents

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Patents > Year granted: 1910 - 1919 & Office : AH or CA or DE or GB & Applicant type : Hermann Burkardt or INDIV or None & National tech categories : DE 77h.5 or GB 4 framework & First filing: Yes

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Airplane (17) · Frame (6) · wings (6) · stability (5) · Tragfläche (5) · design (5) · control (5) · None (4) · whole (3) · propeller (3) · automatic stability (3) · hybrid (3)
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Showing below up to 34 results in range #1 to #34.

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