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xc-patents:xc-253 [2019/05/25 00:16] (current)
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 +====== Patent XC-253: 1849-01-27, New and improved paddle wheel for steam and horse-boats,​ and for propelling vessels ======
 +
 +^ 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 |
 +
 +===== Comments =====
 +
 +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. ​
 +
 +===== Information Sources =====
 +
 +(To be filled in.)
 +    ​
 +
 +===== External links =====
 +
  
xc-patents/xc-253.txt ยท Last modified: 2019/05/25 00:16 (external edit)