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US Patent: 266,462
Vent-valve
Patentees:
Edward F. Gordon (exact or similar names) - Concord, NH
Horatio Hobbs (exact or similar names) - Concord, NH

USPTO Classifications:
137/517, 237/68

Tool Categories:
propulsion and energy : steam apparatus : steam heating

Assignees:
Hobbs, Gordon & Co. - Concord, NH

Manufacturer:
Not known to have been produced

Witnesses:
Fred H. Gould
Nathaniel E. Martin

Patent Dates:
Applied: May 26, 1882
Granted: Oct. 24, 1882

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Hobbs, Gordon & Co.

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