Drilldown: Patents

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Patents > Office : CA or CH or DE & Application number: None & Grant date: 1910 - 1919 & Related to aircraft : -1 or 0? or 1911-07-04 or Jan 15, 1908 or Yes & Number of text pages: 2 & Number of claims: 1-3

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Showing below up to 18 results in range #1 to #18.

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