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US Patent: 23,807
Steam-valve
Patentee:
Harry H. Evarts - Chicago, IL

USPTO Classifications:
137/625.21

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

Assignees:
Phineas E. Merrihew - Chicago, IL
Harry H. Evarts - Chicago, IL

Manufacturer:
Not known to have been produced

Witnesses:
John M. Cooke
Carlyle Whipple

Patent Dates:
Granted: Apr. 26, 1859

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Evarts & Merrihew
Description:
Of interest because the inventor also received several patents for woodworking machinery.

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