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US Patent: 270,744
Cut-off valve
Patentee:
Willard A. Clarke - Stillwater, MN

USPTO Classifications:
417/157

Tool Categories:
propulsion and energy : steam apparatus : steam safety valves

Assignees:
Northwestern Manufacturing & Car Co. - Stillwater, MN

Manufacturer:
Northwestern Manufacturing & Car Co. - Stillwater, MN

Witnesses:
H. J. Chambers
Powell Macy

Patent Dates:
Applied: Sep. 27, 1882
Granted: Jan. 16, 1883

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Northwestern Manufacturing & Car Co.

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