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US Patent: 4,848,202
Cut off or cross perforator or scoring cylinder with quick blade release
Patentee: C. Philip Crampton (exact or similar names) - Hamilton, OH USPTO Classifications: 83/343, 83/674, 83/698.31, 83/698.41 Tool Categories: Assignees: Hamilton Tool Co. - Hamilton, OH Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Oct. 29, 1987 Granted: Jul. 18, 1989 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Hamilton Tool Co.

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