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US Patent: 881,060
Valve
Patentee:
John J. Cook (exact or similar names) - Medford, Middlesex County, MA

USPTO Classifications:
137/468, 251/333, 285/331, 285/334.4, 285/910, 285/917

Tool Categories:
hardware : valves
industrial tools : industrial valves

Assignees:
Crosby Steam Gage & Valve Co. - Boston, Suffolk County, MA

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jun. 10, 1907
Granted: Mar. 03, 1908

Patent Pictures:
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Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Crosby Steam Gage & Valve Co.

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