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X Patents

Fractional X Patents

Reissued X Patents

Early American Patents

Early Canadian Patents


Patent XC-3207: 1869-05-22, Railway track crossing

X Number Date Inventor City Title
XC-3207 1869-05-22 Henry Yates Brantford, ON Canada Railway track crossing


XC patents are Canadian patents issued between 1824 and 1869.

Information Sources

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xc-patents/xc-3207.txt · Last modified: 2019/05/25 00:16 (external edit)