User Tools

Site Tools


X Patents

Fractional X Patents

Reissued X Patents

Early American Patents

Early Canadian Patents


Patent XC-1375: 1862-06-09, An improved expansion steam engine

X Number Date Inventor City Title
XC-1375 1862-06-09 Thomas Northey Hamilton, ON Canada An improved expansion steam engine


XC patents are Canadian patents issued between 1824 and 1869.

Information Sources

(To be filled in.)

xc-patents/xc-1375.txt · Last modified: 2019/05/25 00:16 (external edit)