Drilldown: Patents

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Patents > Tech fields: navigation & IPCs: None & Number of figures: 6-8

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Office:
Inventors:
John Washington Wilson (4) · Wilhelm Jacob Hoffmann (2) · Franklin Tompkins (2)
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None (21) · John Washington Wilson (4) · Franklin Tompkins (2)
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None (15) · USPC 244/70 (5) · USPC 244/22 (4) · DE 77 (4) · DK 77 (4) · USPC 244/90R (2) · AT 77d (2) · USPC 244/51 (2) · USPC 244/6 (2) · USPC 244/66 (2) · USPC 244/12.1 (2) · USPC 244/100R (2) · RU Group V (2)
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Showing below up to 72 results in range #1 to #72.

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