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Patent number:
Patent Date:
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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