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US Patent: 3,698,274
Apparatus for Piercing Openings in Tubing
Patentees: Edward I. Coulon (exact or similar names) - Twin Lakes, WI Benny Jay Miller (exact or similar names) - Elmhurst, IL Dale C. Mohr (exact or similar names) - Addison, IL USPTO Classifications: 83/188, 83/453, 83/54, 83/685 Tool Categories: specialty tools : pipe and tube notchers specialty machines : tube cutting machines Assignees: Vogel Tool & Die Corp. - Chicago, IL Manufacturer: Vogel Tool & Die Corp. - Stone Park, IL Witnesses: Unknown	Patent Dates: Applied: May 14, 1971 Granted: Oct. 17, 1972 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens Vintage Machinery entry for Vogel Tool & Die Corp.

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