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US Patent: 143,538
Improvement in adjustable ratchet-rods
Patentee: Edward H. Smith (exact or similar names) - Worcester, MA USPTO Classifications: 248/407, 74/575 Tool Categories: woodworking machines : woodworking machine mechanisms Assignees: R. Ball & Co. - Worcester, MA Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Aug. 21, 1873 Granted: Oct. 07, 1873 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for R. Ball & Co.

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