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US Patent: 1,902,679
Tool Holder Guard
Patentees: Isidore E. Toniewicz (exact or similar names) - Buffalo, Erie County, NY Michael Lizon (exact or similar names) - Buffalo, Erie County, NY USPTO Classifications: 29/DIG.52, 82/152 Tool Categories: metalworking machines : metal lathes : lathe tool holders and tool posts Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Mar. 19, 1931 Granted: Mar. 21, 1933 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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