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Patent number:
Patent Date:
US Patent: 728,707
Engine Governor
Patentee:
Joseph Hardill (
exact
or
similar
names) - Mitchell, Perth County, ON, Canada
USPTO Classifications:
73/540
Tool Categories:
propulsion and energy
:
steam engines
:
steam engine governors
Assignees:
Joseph Hardill
- Perth County, ON Canada
Robert Benson
- Buffalo, Erie County, NY
Manufacturer:
Hardill Compound Engine Co.
- Mitchell, Perth County, ON Canada
Witnesses:
Frank A. Shoemaker
Robert Benson
C. S. Hunt
J. Willson
Patent Dates:
Applied:
Jul. 14, 1902
Granted:
May 19, 1903
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
VintageMachinery.org entry for Hardill Compound Engine Co.
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