User Tools

Site Tools


Sidebar

X Patents

Fractional X Patents

Reissued X Patents

Early American Patents

Early Canadian Patents

xc-patents:xc-853

Patent XC-853: 1858-07-13, Instrument, called Cole's Gravitating Plumb and Level

X Number Date Inventor City Title
XC-853 1858-07-13 A. N. Cole Brockville, ON Canada Instrument, called Cole's Gravitating Plumb and Level

Comments

XC patents are Canadian patents issued between 1824 and 1869.

Information Sources

(To be filled in.)

xc-patents/xc-853.txt · Last modified: 2019/05/25 00:16 (external edit)