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US Patent: 3,918,218
Filamentary cutting tool containing solid microparticles and method of making it
Patentee: Melvin Howard Zoiss (exact or similar names) - Rockford, IL USPTO Classifications: 51/295, 51/298 Tool Categories: Assignees: Barnes Drill Co. - Rockford, IL Manufacturer: Barnes Drill Co. - Rockford, IL Witnesses: Unknown	Patent Dates: Applied: Sep. 17, 1970 Granted: Nov. 11, 1975 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Barnes Drill Co.

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