User Tools

Site Tools


x-patents:x-4964

Patent X-4964: 1828-01-19, Generating inflammable gases from antracite coal

X Number Date Inventor City Title Status
X-4964 1828-01-19 Minus Ward Baltimore, MD Generating inflammable gases from antracite coal Missing
Richard Wilmot Hall Baltimore, MD

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.

Information Sources

(To be filled in.)

x-patents/x-4964.txt · Last modified: 2019/05/25 21:49 by 127.0.0.1

Donate Powered by PHP Valid HTML5 Valid CSS Driven by DokuWiki