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US Patent: 1,428,608
Clamp
Patentee: John William Parker (exact or similar names) - Barrington, Bristol County, RI USPTO Classifications: 269/219 Tool Categories: work holding : clamps : hand screws Assignees: Brown & Sharpe Mfg. Co. - Providence, Providence County, RI Manufacturer: Brown & Sharpe Mfg. Co. - Providence, Providence County, RI Witnesses: Marion A. Kingsley J. A. Miller	Patent Dates: Applied: Jul. 15, 1921 Granted: Sep. 12, 1922 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens Vintage Machinery entry for Brown & Sharpe Mfg. Co.

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