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US Patent: 1,933,383
Gauge
Patentee:
Joseph W. Motherwell (exact or similar names) - Melrose, Middlesex County, MA

USPTO Classifications:
73/711, 73/736

Tool Categories:
gauges : vacuum and pressure gauges

Assignees:
Ashton Valve Co. - Cambridge, Middlesex County, MA

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Oct. 01, 1929
Granted: Oct. 31, 1933

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Ashton Valve Co.

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