Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 270,951
Artificer's Level
Patentee:
John W. Harmon - Boston, MA

USPTO Classifications:
33/285

Tool Categories:
layout tools : levels

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
R. H. Eddy
E. B. Pratt

Patent Dates:
Applied: Jan. 21, 1882
Granted: Jan. 23, 1883

Patent Pictures: [ 1 | 2 ]
USPTO pdf tiff
Google Patents
Report data errors or omissions

Copyright © 2002-2019 - DATAMP