Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 93,031
Improvement in Grinding Edge-Tools
Patentee:
Lorenzo Zimmerman - Wakeshma, MI

USPTO Classifications:
451/367

Tool Categories:
metalworking machines : grinders : sharpening machines : bench or pedestal grinders

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Samuel C. Rosenberry
Sylvester Fredenburgh

Patent Dates:
Granted: Jul. 27, 1869

Patent Pictures:
USPTO pdf tiff
Google Patents
Report data errors or omissions

Copyright © 2002-2017 - DATAMP