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US Patent: 3,081,821
Cylinder mold
Patentee: Alan R. Hamilton (exact or similar names) - Brantford, ON Canada USPTO Classifications: 162/357, 277/369, 277/387, 277/903 Tool Categories: specialty machines : paper making machines Assignees: Koehring-Waterous Ltd. - Brantford, ON Canada Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Apr. 28, 1960 Granted: Mar. 19, 1963 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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