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US Patent: 135,613
Improvement in drilling-machines
Patentee: Edward J. Worcester (exact or similar names) - Worcester, MA USPTO Classifications: 74/841 Tool Categories: metalworking machines : drilling and boring : drill presses woodworking machines : wood drilling and boring : drill presses Assignees: None Manufacturer: Boynton & Plummer - Worcester, MA Witnesses: James H. Bancroft Russell R. Shepard	Patent Dates: Granted: Feb. 04, 1873 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Boynton & Plummer Vintage Machinery entry for E. J. Worcester
Description: Tentatively identified as a patent seen on a Boynton & Plummer drill press.

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