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Early American Patents

Early Canadian Patents


Patent XC-3176: 1869-05-01, Improvements in shingle machines

X Number Date Inventor City Title
XC-3176 1869-05-01 J. Lancaster Ottawa, ON Canada Improvements in shingle machines


XC patents are Canadian patents issued between 1824 and 1869.

Information Sources

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xc-patents/xc-3176.txt · Last modified: 2019/05/25 00:16 (external edit)