Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 71,442
Improvement in knife-sharpener
Patentee:
Albert B. Bean - New Haven, CT

USPTO Classifications:
76/86

Tool Categories:
knives and cutters : sharpening apparatus

Assignees:
Lewis W. Upham - New Haven, CT
Samuel C. Bradley - New Haven, CT

Manufacturer:
Not known to have been produced

Witnesses:
A. J. Tibbits
John H. Shumway

Patent Dates:
Granted: Nov. 26, 1867

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

Copyright © 2002-2019 - DATAMP