Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 9,089
Center Square for Finding the Center of a CIrcle
Patentee:
Nathan Ames - Boston, MA

USPTO Classifications:
33/429

Tool Categories:
layout tools : squares : center squares

Assignees:
Walter Bryent - Ukn, Ukn

Manufacturer:
J. R. Brown & Sharpe - Providence, RI

Witnesses:
Irah Chase, Jr.
Wm. Honeybun

Patent Dates:
Granted: Jul. 06, 1852

Patent Pictures:
USPTO pdf tiff
Google Patents
Report data errors or omissions
"Vintage Machinery" entry for Brown & Sharpe Mfg. Co.
Description:
Application of geometry in a square to find the center of a circle.

Known example is marked "J. R. BROWN & SHARP/PROVIDENCE R.I"

Copyright © 2002-2017 - DATAMP