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US Patent: 1,154,018
Dead Weight Gage Tester
Patentee: Frank H. Hopkins (exact or similar names) - Somerville, Middlesex County, MA USPTO Classifications: 73/1.65 Tool Categories: specialty machines : testing machines Assignees: American Steam Gauge & Valve Mfg. Co. - Boston, Suffolk County, MA Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jan. 22, 1913 Granted: Sep. 21, 1915 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for American Steam Gauge Co.

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