X Number | Date | Inventor | City | Title |
---|---|---|---|---|
XC-411 | 1853-06-11 | Benjamin F. Tibbetts | Quebec City, QC Canada | Improved mode of constructing steam engines |
XC patents are Canadian patents issued between 1824 and 1869. This patent was the extension of patent {XC85} to Upper Canada.
(To be filled in.)