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US Patent: 23,807
Steam-valve
Patentee:
Harry H. Evarts (exact or similar names) - Chicago, IL

USPTO Classifications:
137/625.21

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

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

Manufacturer:
Not known to have been produced

Witnesses:
Carlyle Whipple
John M. Cooke

Patent Dates:
Granted: Apr. 26, 1859

Patent Pictures:
USPTO (New site tip)
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Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Evarts & Merrihew
Description:
Of interest because the inventor also received several patents for woodworking machinery.

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