User Tools

Site Tools


X Patents

Fractional X Patents

Reissued X Patents

Early American Patents

Early Canadian Patents


Patent XC-2517: 1868-03-09, Self-adjusting rain water conductor

X Number Date Inventor City Title
XC-2517 1868-03-09 Thomas West Sparrow Galt, ON Canada Self-adjusting rain water conductor


XC patents are Canadian patents issued between 1824 and 1869.

Information Sources

(To be filled in.)

xc-patents/xc-2517.txt · Last modified: 2019/05/25 00:16 (external edit)