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US Patent: 2,659,306
Means for varying the circumference of printing cylinders
Patentee: Walter W. De Lano (exact or similar names) - Hamilton, OH USPTO Classifications: 101/378, 101/415.1 Tool Categories: Assignees: Hamilton Tool Co. - Hamilton, OH Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Mar. 08, 1951 Granted: Nov. 17, 1953 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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