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US Patent: 682,810
Gaining cutter-head
Patentee: Lewis F. Parks (exact or similar names) - Cincinnati, OH USPTO Classifications: 144/238 Tool Categories: woodworking machines : machine and tool cutters : sawblades Assignees: None Manufacturer: Parks Ball Bearing Machine Co. - Cincinnati, OH Witnesses: C. Spengel Paul Crosley	Patent Dates: Applied: Jan. 26, 1899 Granted: Sep. 17, 1901 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Parks Woodworking Machines Co.
Description: This invention was featured in a ca. 1905 catalog from the Parks Ball Bearing Machine Co. as the "Improved Adjustable Dado and Grooving Saw".

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