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US Patent: 93,790
Improvement in Feed-Water Heaters
Patentee: Peter C. Wortman (exact or similar names) - Meadville, Crawford County, PA USPTO Classifications: 122/434 Tool Categories: propulsion and energy : steam apparatus : stationary boilers : feedwater apparatus Assignees: None Manufacturer: Ashton Valve Co. - Boston, Middlesex County, CT Witnesses: A. B. Richmond Roe Reisinger	Patent Dates: Granted: Aug. 17, 1869 Reissue Information: Reissued as RE8,216 (May 07, 1878) Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Ashton Valve Co.
Description: This patent's reissue was assigned to the Ashton Valve Company of Hartford, CT.

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