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US Patent: 1,274,921
Pressure Gage
Patentee:
Francis J. Manning (exact or similar names) - Medford, Middlesex County, MA

USPTO Classifications:
73/740

Tool Categories:
gauges : vacuum and pressure gauges

Assignees:
American Steam Gauge & Valve Mfg. Co. - Boston, Suffolk County, MA

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Aug. 27, 1915
Granted: Aug. 06, 1918

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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