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US Patent: 615,152
Saw-sharpening machine
Patentee: Lars Larsen Filstrup (exact or similar names) - Chicago, IL USPTO Classifications: 76/41 Tool Categories: metalworking machines : grinders : sharpening machines : saw sharpening machines Assignees: Henry P. Schofield - Chicago, IL Lars Larsen Filstrup - Chicago, IL Manufacturer: Covel Mfg. Co. - Chicago, IL Witnesses: L. B. Coupland L. M. Freeman	Patent Dates: Applied: Aug. 19, 1897 Granted: Nov. 29, 1898 Reissue Information: Reissued as RE11,733 (Apr. 11, 1899) Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Covel Mfg. Co.
Description: This patent gives improvements to patent 574,855. See also patents 654,844 and 755,319.

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