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X Patents

Fractional X Patents

Reissued X Patents

Early American Patents

Early Canadian Patents


Patent XC-1257: 1861-07-17, An improved sawing machine

X Number Date Inventor City Title
XC-1257 1861-07-17 David Bruce London, ON Canada An improved sawing machine


XC patents are Canadian patents issued between 1824 and 1869.

Information Sources

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xc-patents/xc-1257.txt · Last modified: 2019/05/25 00:16 (external edit)