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GB Patent: GB-191,310,037
Improvements in Traction Engines
Patentee: Christian Herr (exact or similar names) - Portsmouth, Scioto County, OH USPTO Classifications: Tool Categories: propulsion and energy : steam apparatus : steam traction engines Assignees: Herr Engine Co. - Portsmouth, Scioto County, OH Manufacturer: Not known to have been produced Witnesses: none listed	Patent Dates: Applied: Apr. 29, 1913 Granted: Jan. 29, 1914 Patent Pictures: [ 1 | 2 ] Espacenet patent Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Herr Engine Co.

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