| X Number | Date | Inventor | City | Title |
|---|---|---|---|---|
| XC-2528 | 1868-03-13 | Alexander Field Ward | Gore of Camden, ON Canada | Steam engine and frame combined with improved valve gear for cross-cutting logs |
Inventor Ward was granted several American and Canadian patents for sawmill machinery and steam engines. So far as we can tell, he was a sawmill operator and did not manufacture his inventions. XC patents are Canadian patents issued between 1824 and 1869.
(To be filled in.)