Drilldown: Patents

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Patents > Applicant firm: None & Grant date: October 1913 & First filing: No

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Joseph Allison Steinmetz (2)
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None (13) · Airplane (8) · LTA (7) · frame (7) · stability (6) · construction (5) · safety (3) · Propulsion (3) · Propellers (3) · military (3) · design (3) · wings (3)
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Showing below up to 37 results in range #1 to #37.

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