US Patent: 10,799
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Slitting Gage
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Patentee:
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James Ballard (exact or similar names) - Ashtabula, OH |
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Patent Dates:
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Granted: |
Apr. 18, 1854 |
Patent Pictures:
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Russ Allen
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Description: |
Ballard has the distinction of being the earliest patented gauge known. One purchased from a Martin J. Donnelly auction had an original label identifying the manufacturer as Morris Dick, Westfield, Ohio. |
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