US Patent: 2,240,506
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| Power Knockout Device for Machine Tools
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Patentees:
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| George Napoleon Levesque (exact or similar names) - Providence, Providence County, RI |
| Merrill F. Sebring (exact or similar names) - Providence, Providence County, RI |
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Patent Dates:
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| Applied: |
Mar. 14, 1940 |
| Granted: |
May 06, 1941 |
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Joel Havens
Vintage Machinery entry for Brown & Sharpe Mfg. Co.
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Description: |
| This patent number has been seen on a Brown & Sharpe No. 5 surface grinder.
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