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X Patents

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Reissued X Patents

Early American Patents

Early Canadian Patents


Patent XC-2458: 1868-01-23, Heat radiator

X Number Date Inventor City Title
XC-2458 1868-01-23 William B. Choate Galt, ON Canada Heat radiator


XC patents are Canadian patents issued between 1824 and 1869.

Information Sources

(To be filled in.)

xc-patents/xc-2458.txt · Last modified: 2019/05/25 00:16 (external edit)