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US Patent: 206,851
Clamp Improvement in Clamps
Patentee: Henry W. Atwater (exact or similar names) - Newton, MA USPTO Classifications: 81/140, 81/175 Tool Categories: work holding : clamps wrenches : wrench adjustment types : quick adjust wrenches Assignees: None Manufacturer: Not known to have been produced Witnesses: George O. G. Coale C. H. Slade	Patent Dates: Applied: Mar. 27, 1878 Granted: Aug. 13, 1878 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Stan Schulz
Description: The first of two patents marked on Atwater's "TIGER" quick-adjusting nut wrench. The second is 284,162. J. E. Waynader - patent attorney

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