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X Patents

Fractional X Patents

Reissued X Patents

Early American Patents

Early Canadian Patents


Patent XC-1948: 1866-01-31, Improvement in rip saws

X Number Date Inventor City Title
XC-1948 1866-01-31 D'Arcy Porter Toronto, ON Canada Improvement in rip saws


XC patents are Canadian patents issued between 1824 and 1869.

Information Sources

(To be filled in.)

xc-patents/xc-1948.txt · Last modified: 2019/05/25 00:16 (external edit)