Home
|
FAQ
Search:
Advanced
|
Person
|
Company
|
Type
|
Class
Login
Quick search:
Patent number:
Patent Date:
US Patent: 449,504
Valve for steam-engines
Patentee:
Julius E. Waterous (
exact
or
similar
names) - Brantford, ON Canada
USPTO Classifications:
91/257
Tool Categories:
propulsion and energy
:
steam engines
:
steam engine valve gear
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
J. H. Oldham
Walter T. Mair
Patent Dates:
Applied:
May 16, 1890
Granted:
Mar. 31, 1891
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
Copyright © 2002-2024 - DATAMP