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US Patent: 2,455,577
Center punch
Patentee: Emil F. Hager (exact or similar names) - Queens Village, NY USPTO Classifications: 173/126, 173/133, 30/164.6, 30/366, 30/367, 33/670, 72/436 Tool Categories: metalworking tools : center punches metalworking tools : machinist tools : measuring tools : optical measuring gauges Assignees: None Manufacturer: E. F. Hager & Son - Queens Village, NY Witnesses: Unknown	Patent Dates: Applied: Apr. 05, 1945 Granted: Dec. 07, 1948 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for E. F. Hager & Son
Description: Combination center punch and microscope to precision position the workpiece under the punch.

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