Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 100,064
Improvement in friction-clutches
Patentee:
Francis A. Pratt - Hartford, CT

USPTO Classifications:
192/110R, 192/93B

Tool Categories:
industrial machines : industrial machine mechanisms : industrial machine clutches

Assignees:
Pratt, Whitney & Co. - Hartford, CT

Manufacturer:
Not known to have been produced

Witnesses:
Jeremy W. Bliss
Monroe Stannard

Patent Dates:
Granted: Feb. 22, 1870

Patent Pictures:
USPTO pdf tiff
Google Patents
Report data errors or omissions
"Vintage Machinery" entry for Pratt & Whitney Co.

Copyright © 2002-2017 - DATAMP