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US Patent: 374,756
Crane
Patentee: William H. Ridgway (exact or similar names) - Coatesville, PA USPTO Classifications: 212/203, 212/250 Tool Categories: material handling : cranes : jib cranes Assignees: None Manufacturer: Craig Ridgway & Son Co. - Coatesville, PA Witnesses: A. C. Ridgway C. Ridgway	Patent Dates: Applied: Mar. 23, 1887 Granted: Dec. 13, 1887 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Craig Ridgway & Son Co.
Description: Subsequently improved in patent 411,681.

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