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US Patent: 162,260
Improvement in operating paper-calendering rolls
Patentee: Nathan H. Whitten (exact or similar names) - Holyoke, MA USPTO Classifications: 192/20, 192/99R, 192/99S, 476/28, 476/59 Tool Categories: Assignees: Holyoke Machine Co. - Holyoke, MA Manufacturer: Not known to have been produced Witnesses: S. F. Stebbins Stephen Helman	Patent Dates: Applied: Mar. 17, 1875 Granted: Apr. 20, 1875 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Holyoke Machine Co.

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