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Patent number:
Patent Date:
US Patent: RE8,937
Steam-Engine Governor
Patentee:
Alvin Lawrence (
exact
or
similar
names) - Lowell, Middlesex County, MA
USPTO Classifications:
70/453
,
91/448
Tool Categories:
propulsion and energy
:
steam engines
:
steam engine governors
Assignees:
Henry Snyder
- Philadelphia, PA
Manufacturer:
Not known to have been produced
Witnesses:
Unknown
Patent Dates:
Applied:
Sep. 25, 1879
Granted:
Oct. 21, 1879
Reissue Information:
Reissue of
52,789
(Feb. 20, 1866)
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
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