US Patent: 2,927,403
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| Hydraulic Operating and Control System for a Machine Tool
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Patentees:
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| John J. Holland (exact or similar names) - Norwood, Kent County, RI |
| Maurice J. Knott (exact or similar names) - Warwick, Kent County, RI |
| Harold A. Bryant (exact or similar names) - Rumford, Providence County, RI |
| Donald J. Dunn (exact or similar names) - Cranston, Providence County, RI |
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Patent Dates:
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| Applied: |
Sep. 20, 1957 |
| Granted: |
Mar. 08, 1960 |
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Joel Havens
Vintage Machinery entry for Brown & Sharpe Mfg. Co.
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