User Tools

Site Tools


x-patents:x-942

Patent X-942: 1808-10-05, Making ball shot by pressure

X Number Date Inventor City Title Status
X-942 1808-10-05 Thomas Bruff Washington, DC Making ball shot by pressure Recovered

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-942.txt · Last modified: 2019/05/25 21:49 by 127.0.0.1

Donate Powered by PHP Valid HTML5 Valid CSS Driven by DokuWiki