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X Patents

Fractional X Patents

Reissued X Patents

Early American Patents

Early Canadian Patents


Patent XC-1358: 1862-04-15, An instantaneous adjustment wrench

X Number Date Inventor City Title
XC-1358 1862-04-15 James Dalgamo Chatham, ON Canada An instantaneous adjustment wrench


XC patents are Canadian patents issued between 1824 and 1869.

Information Sources

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xc-patents/xc-1358.txt · Last modified: 2019/05/25 00:16 (external edit)