Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
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

Copyright © 2002-2024 - DATAMP