Drilldown: Patents

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Patents > Tech fields : ground equipment or propulsion & Family year: 1870 - 1879

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Inventors:
James J. Pennington (2)
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None (12) · FR 6.3 (5) · FR 6 (2) · USPC 244/28 (2) · USPC 244/73R (2) · FR 5 (2) · DE 77 (2)
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Showing below up to 48 results in range #1 to #48.

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