Home
|
FAQ
Search:
Advanced
|
Person
|
Company
|
Type
|
Class
Login
Quick search:
Patent number:
Patent Date:
US Patent: 41,182
Steam Engine Indicator
Patentees:
S. Lloyd Wiegand (
exact
or
similar
names) - Philadelphia, PA
William B. Le Van (
exact
or
similar
names) - Philadelphia, PA
USPTO Classifications:
346/139R
,
346/4
,
346/49
,
73/712
,
73/715
,
74/1R
Tool Categories:
propulsion and energy
:
steam apparatus
:
steam engine indicators
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
Unknown
Patent Dates:
Granted:
Jan. 05, 1864
Antedated:
Dec. 21, 1863
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
The Story of the Steam Engine Indicator
Copyright © 2002-2024 - DATAMP