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US Patent: 1,238,109
Gage Spring
Patentee:
Austin B. Collette (exact or similar names) - Everett, Middlesex County, MA

USPTO Classifications:
73/741

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: May 19, 1915
Granted: Aug. 28, 1917

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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