User Tools

Site Tools


x-patents:x-4704

Patent X-4704: 1827-03-10, Crank and wheel dampers for chimneys

X Number Date Inventor City Title Status
X-4704 1827-03-10 James Reiley Waynesburg, PA Crank and wheel dampers for chimneys Recovered
John Flanagan Waynesburg, PA

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. Only the patent drawing is available. This patent is in the database for reference only.

Information Sources

(To be filled in.)

x-patents/x-4704.txt · Last modified: 2019/05/25 21:49 by 127.0.0.1

Donate Powered by PHP Valid HTML5 Valid CSS Driven by DokuWiki