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US Patent: 425,572
Self-oiling pulley
Patentee: Daniel D. Tompkins (exact or similar names) - Rochester, NY USPTO Classifications: 30/275 Tool Categories: industrial machines : industrial machine mechanisms : industrial machine pulleys and belt drive mechanisms Assignees: Daniel D. Tompkins - Rochester, NY C. B. Rogers & Co. - Norwich, CT Manufacturer: Not known to have been produced Witnesses: Frank H. Allen Robert W. Perkins	Patent Dates: Applied: May 27, 1889 Granted: Apr. 15, 1890 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for C. B. Rogers & Co.

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