| X Number | Date | Inventor | City | Title |
|---|---|---|---|---|
| XC-253 | 1849-01-27 | Charles Midgley | Montreal, QC Canada | New and improved paddle wheel for steam and horse-boats, and for propelling vessels |
XC patents are Canadian patents issued between 1824 and 1869. The patent image was found in the 1860 book, “Patents of Canada, from 1824 to 1849”, published by the Canada East's Bureau of Agriculture and Statistics.
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