Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 63,407
Improvement in machines for sharpening saws
Patentee:
Thomas T. Markland, Jr. - Philadelphia, PA

USPTO Classifications:
409/222, 76/40, 76/79

Tool Categories:
tool making : making sawblades : saw gummers

Assignees:
None

Manufacturer:
Unknown

Witnesses:
John White
Stephen Ustick

Patent Dates:
Granted: Apr. 02, 1867
Antedated: Feb. 26, 1867

Patent Pictures:
USPTO pdf tiff
Google Patents
Report data errors or omissions
Description:
This saw gummer was featured on the front cover of the 1868-02-22 issue of Scientific American. The article lists three dealers, but it is not clear who the maker was.

Copyright © 2002-2017 - DATAMP