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US Patent: 158,248
Improvement in car-springs
Patentee: John W. Cochran (exact or similar names) - Brooklyn, NY USPTO Classifications: 267/4 Tool Categories: Assignees: None Manufacturer: Not known to have been produced Witnesses: A. Gregory Michael Ryan	Patent Dates: Applied: Dec. 01, 1874 Granted: Dec. 29, 1874 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for John W. Cochran
Description: Inventor Cochran was deceased.

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