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US Patent: 173,601
Improvement in vehicle-wheels
Patentee: Joseph W. Douglas (exact or similar names) - Middletown, CT USPTO Classifications: 301/69 Tool Categories: trade specific : wheelwright transportation : wagons and carts : wagon and cart wheels, axles and hubs Assignees: None Manufacturer: W. & B. Douglas - Middletown, CT Witnesses: George M. Smith John M. Douglas	Patent Dates: Applied: May 27, 1875 Granted: Feb. 15, 1876 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for W. & B. Douglas

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