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US Patent: 1,044,678
Recording Low Pressure Gage
Patentee:
Coleman J. Manning (exact or similar names) - Medford, Middlesex County, MA

USPTO Classifications:
73/729.1, 92/48, 92/91

Tool Categories:
industrial tools : pressure indicators
gauges : vacuum and pressure gauges
industrial machines : industrial recording apparatus

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

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Sep. 15, 1911
Granted: Nov. 19, 1912

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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