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US Patent: 315,971
Heeling-machine
Patentees: Artemas C. Ambler (exact or similar names) - Natick, MA Henrie D. Stone (exact or similar names) - Boston, MA USPTO Classifications: 12/33.1, 227/66, 227/70 Tool Categories: trade specific : cobbler specialty tools : shoemaking Assignees: None Manufacturer: Adams Mfg. Co. - Portland, ME Witnesses: W. H. Sigston G. W. Gregory	Patent Dates: Applied: Mar. 22, 1884 Granted: Apr. 14, 1885 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Ambler Saw Mfg. Co.
Description: Of interest because co-inventor Artemas C. Ambler went on to develop and manufacture saw-sharpening machinery.

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