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US Patent: 1,302,833
Steam-Trap
Patentees: Harry Samuel Nicholson (exact or similar names) - Wilkes-Barre, Luzerne County, PA William Craig Beiswinger (exact or similar names) - Wilkes-Barre, Luzerne County, PA USPTO Classifications: 236/60 Tool Categories: propulsion and energy : steam apparatus : stationary boilers : steam and water separators Assignees: W. H. Nicholson & Co. - Wilkes-Barre, Luzerne County, PA Manufacturer: W. H. Nicholson & Co. - Wilkes-Barre, Luzerne County, PA Witnesses: Unknown	Patent Dates: Applied: Jan. 06, 1919 Granted: May 06, 1919 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens Vintage Machinery entry for W. H. Nicholson & Co.

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