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US Patent: 257,494
Gas-exhaust regulator
Patentee:
Reuben Kidder Huntoon (exact or similar names) - Franklin, MA

USPTO Classifications:
137/505.31, 48/173

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
E. B. Pratt
R. H. Eddy

Patent Dates:
Applied: Nov. 21, 1881
Granted: May 09, 1882

Patent Pictures:
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Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for R. K. Huntoon

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