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US Patent: 234,158
Injector
Patentee: Emil Wohlers (exact or similar names) - New York, NY USPTO Classifications: 417/175 Tool Categories: propulsion and energy : steam apparatus : stationary boilers : feedwater apparatus Assignees: Emil Wohlers - New York, NY Nathan & Dreyfus - New York, NY Manufacturer: Nathan & Dreyfus - New York, NY Nathan Mfg. Co. - New York, NY Witnesses: Cornelius D. Gould W. H. Kay	Patent Dates: Applied: Sep. 28, 1880 Granted: Nov. 09, 1880 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Nathan & Dreyfus; Nathan Mfg. Co.
Description: Improvements to patent 57,057.

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