Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 420,401
Ruler
Patentee:
Abraham L. Baer - Milwaukee, WI

USPTO Classifications:
33/485

Tool Categories:
rules

Assignees:
None

Manufacturer:
Bangs Mfg. Co. - Providence, RI

Witnesses:
C. T. Benedict
Anna Faust

Patent Dates:
Applied: May 07, 1889
Granted: Jan. 28, 1890

Patent Pictures:
USPTO pdf tiff
Google Patents
Report data errors or omissions
Description:
Ruler with brackets that project on one side to allow one or more wires to be stretched between them Designed for book keepers since it provides a narrow straight edge that allows the user to see the line as it is being made with out the ruler obscuring the paper.

Copyright © 2002-2019 - DATAMP