x-patents:x-2228
Table of Contents
Patent X-2228: 1814-11-25, Magnetic cylinder, called magnetic separating machine
X Number | Date | Inventor | City | Title | Status |
---|---|---|---|---|---|
X-2228 | 1814-11-25 | Samuel Browning | Franconia, NH | Magnetic cylinder, called magnetic separating machine | Missing |
Comments
Most of the patents prior to 1836 were lost in the Dec. 1836 fire. Only about 2,000 of the almost 10,000 documents were recovered. Little is known about this patent. There are no patent drawings available. This patent is in the database for reference only.
This patent was renewed by an Act of Congress on 03 Mar 1831 from 24 Nov 1828.
Information Sources
(To be filled in.)
External links
x-patents/x-2228.txt · Last modified: 2019/05/25 21:49 by 127.0.0.1