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US Patent: 549,700
Steam-gage
Patentees: Charles Bartlett Bosworth (exact or similar names) - Everett, MA Joshua H. Millett (exact or similar names) - Malden, MA USPTO Classifications: 73/708, 73/737, 74/579R Tool Categories: propulsion and energy : steam apparatus : stationary boilers : steam pressure gauges Assignees: Crosby Steam Gage & Valve Co. - Boston, MA Manufacturer: Crosby Steam Gage & Valve Co. - Boston, MA Witnesses: Arthur L. Bowker George H. Eager	Patent Dates: Applied: Mar. 15, 1895 Granted: Nov. 12, 1895 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Crosby Steam Gage & Valve Co.

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