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US Patent: 260,527
Cam-shaft box for stamp-mills
Patentee: Henry Bolthoff (exact or similar names) - Central City, CO USPTO Classifications: 384/265 Tool Categories: specialty machines : ore processing apparatus Assignees: Henry Bolthoff - Central City, CO Charles F. Hendrie - Denver, CO Manufacturer: Hendrie & Bolthoff Manufacturing & Supply CO. - Denver, CO Witnesses: R. C. Adams H. B. Hamilton	Patent Dates: Applied: Mar. 21, 1882 Granted: Jul. 04, 1882 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Hendrie & Bolthoff Mfg. & Supply Co.

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