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US Patent: 543,647
Grinding Machine
Patentees: Charles W. Glidden (exact or similar names) - Lynn, MA Charles H. Benjamin (exact or similar names) - Cleveland, OH USPTO Classifications: 125/11.14, 451/239 Tool Categories: specialty machines : shoe and boot making machines Assignees: James W. Brooks, Trustee - Cambridge, MA Manufacturer: Not known to have been produced Witnesses: H. P. Fairfield W. Eustis Barker Oscar F. Hill Fred S. Greenleaf	Patent Dates: Applied: Jul. 16, 1891 Granted: Jul. 30, 1895 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens
Description: Crosby and Gregory - patent attorneys

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