Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 39,799
Improvement in governors for steam-engines
Patentee:
Frank Douglas (exact or similar names) - Norwich, CT

USPTO Classifications:
74/404.5

Tool Categories:
propulsion and energy : steam engines : steam engine governors

Assignees:
None

Manufacturer:
Douglas, Rogers & Co. - Norwich, CT

Witnesses:
H. H. Starkweather
George Pratt

Patent Dates:
Granted: Sep. 08, 1863

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for C. B. Rogers & Co.
"Vintage Machinery" entry for Frank Douglas Machinery Co.

Copyright © 2002-2024 - DATAMP