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US Patent: 713,487
Device for operating the dogs of hoisting-engines
Patentee: Peter Olsen (exact or similar names) - New York, NY USPTO Classifications: 192/12R, 254/376 Tool Categories: material handling : hoists, winches, come-alongs Assignees: Lidgerwood Mfg. Co. - New York, NY Manufacturer: Lidgerwood Mfg. Co. - New York, NY Witnesses: H. L. Reynolds Charles J. Rathien	Patent Dates: Applied: Oct. 16, 1900 Granted: Nov. 11, 1902 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Lidgerwood Mfg. Co.

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