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US Patent: 1,089,704
Rail-fastening
Patentee: Isaiah E. Hindman (exact or similar names) - Crafton, PA USPTO Classifications: 238/125, 238/275 Tool Categories: transportation : railroads : track and switches Assignees: Duff Mfg. Co. - Pittsburgh, PA Manufacturer: Duff Mfg. Co. - Pittsburgh, PA Witnesses: George H. Parmelee H. M. Corwin	Patent Dates: Applied: Nov. 26, 1913 Granted: Mar. 10, 1914 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Duff Mfg. Co.

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