Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 147,297
Improvement in sharpening-machines
Patentee:
Frank White - Cincinnati, OH

USPTO Classifications:
451/369

Tool Categories:
metalworking machines : grinders : sharpening machines

Assignees:
Post & Co. - Cincinnati, OH

Manufacturer:
Not known to have been produced

Witnesses:
Alexander Graydon
John M. Fitzgerald

Patent Dates:
Applied: Dec. 13, 1873
Granted: Feb. 10, 1874

Patent Pictures:
USPTO pdf tiff
Google Patents
Report data errors or omissions
Description:
"My invention relates to a device for holding planing-knives, &c., in the process of grinding..."

Copyright © 2002-2017 - DATAMP