Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 53,795
Improvement in Plumb-Levels
Patentee:
Michael W.E. Doran (exact or similar names) - Indianapolis, IN

USPTO Classifications:
33/344, 33/391

Tool Categories:
layout tools : levels : pendulum levels

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
John H. Redstone
W. Sullivan

Patent Dates:
Granted: Apr. 10, 1866

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Ralph Brendler
Description:
This is a simple pendulum level or inclinometer that uses a series of loosely-connected weights to dampen the vibration of the pendulum.

Copyright © 2002-2024 - DATAMP