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US Patent: 1,663,313
Adjusting Mechanism for Pressure Gauges
Patentee:
Joseph W. Motherwell (exact or similar names) - Melrose, Middlesex County, MA

USPTO Classifications:
73/736, 73/740

Tool Categories:
gauges : vacuum and pressure gauges

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

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: May 23, 1924
Granted: Mar. 20, 1928

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

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