US Patent: 1,349,330
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Fluid-operated vise
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Patentee:
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Jesse Ditson (exact or similar names) - Littleton, CO |
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Patent Dates:
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Applied: |
Jul. 22, 1919 |
Granted: |
Aug. 10, 1920 |
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Jeff Joslin Vintage Machinery entry for Ingersoll-Rand Co.
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Description: |
This patent date was seen on an Ingersoll-Rand compressor and is the only Ingersoll-Rand patent we can find on that date. The invention is an improvement to patent 1,306,106, which relates to sharpening rock drills. |
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