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US Patent: 138,975
Improvement in bush-hammers
Patentee: Edward J. Worcester (exact or similar names) - Worcester, MA USPTO Classifications: 125/41, 403/217 Tool Categories: Assignees: None Manufacturer: Not known to have been produced Witnesses: Patrick Donaher Warren Allds	Patent Dates: Applied: Mar. 01, 1873 Granted: May 13, 1873 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for E. J. Worcester
Description: This is a stone-dressing tool. The inventor also patented drill presses.

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