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US Patent: 568,832
Hoisting-machine
Patentee: Henry Bolthoff (exact or similar names) - Denver, CO USPTO Classifications: 254/342, 254/363, 476/15 Tool Categories: material handling : industrial elevators and lifts specialty machines : mining apparatus Assignees: None Manufacturer: Hendrie & Bolthoff Manufacturing & Supply CO. - Denver, CO Witnesses: Alfred J. O'Brien G. J. Rollandet	Patent Dates: Applied: Feb. 12, 1896 Granted: Oct. 06, 1896 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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