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US Patent: 4,032,251
Countersinking and deburring tool
Patentee: Thomas A. Ribich (exact or similar names) - Cleveland, OH USPTO Classifications: 408/199, 408/225 Tool Categories: metalworking machines : drilling and boring : drill bits : metalworking countersinks Assignees: Weldon Tool Co. - Cleveland, OH Manufacturer: Weldon Tool Co. - Cleveland, OH Witnesses: Unknown	Patent Dates: Applied: May 05, 1975 Granted: Jun. 28, 1977 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Weldon Tool Co.
Description: Improvements to the tool of patent 2,829,543, with goals of reducing chatter and improving chip-breaking.

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