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US Patent: 671,177
Derrick-engine
Patentee: John V. Beekman (exact or similar names) - Plainfield, NJ USPTO Classifications: 192/93A, 254/302, 254/304, 254/313 Tool Categories: material handling : hoists, winches, come-alongs Assignees: Lidgerwood Mfg. Co. - New York, NY Manufacturer: Lidgerwood Mfg. Co. - New York, NY Witnesses: Charles D. Butler Charles C. Pierce	Patent Dates: Applied: May 13, 1898 Granted: Apr. 02, 1901 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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