Drilldown: Patents

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Patents > Year filed: 1910 - 1919 & Applicant type : FIRM or Hermann Burkardt or INDIV or INIV or Louis-Marie Le Dantec or UNIV-PRO-GOV & Related to aircraft : Other or None & Number of text pages: 1-2 & Number of diagram pages: 1-3

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FR (838) · DE (360) · US (356) · GB (173) · AT (86) · HU (61) · IT (50) · RU (34) · CH (33) · BE (17) · CA (15) · None (14) · NO (13) · DK (10) · SE (7) · AU (7) · DZ (7) · NL (6) · MX (6)
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None (2068) · 1 (2) · Albert L. Watters (2)
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