Drilldown: Patents
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Patents > Applicant type:
INDIV
& Grant date:
1910
& Supplementary to patent :
Patent DE-1895-98580 or
Patent DE-1909-232158 or
Patent FR-1908-392672 or
Patent GB-1909-12556 or
Patent US-1913-04-21 George Raymond Lawrence
& National tech categories:
FR 6.4
& CPCs:
CPC B64C2700/6245
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Showing below up to 1 result in range #1 to #1.