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Patent number:
Patent Date:
US Patent: 236,780
Stop-valve
Patentee:
Zebulon Erastus Coffin (
exact
or
similar
names) - Boston, MA
USPTO Classifications:
251/266
,
251/327
Tool Categories:
water distribution systems
:
water valves
Assignees:
None
Manufacturer:
Coffin Valve Co.
- Boston, MA
Witnesses:
D. N. B. Coffin
Edward H. Mason
Patent Dates:
Applied:
Jan. 30, 1880
Granted:
Jan. 18, 1881
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Z. E. Coffin
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