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Patents for William Stephenson | |||||
Number | Date | Patentee | Title | Type | |
CA-12,729 | Jan. 01, 1881 | W. Stephenson | Combined steam engine, traction engine, land roller, plough, seed drill and harrow | ||
CA-51,157 | Jan. 28, 1896 | W. Stephenson | Locomotive a Traction, Machiine a Battre Alimentateur et Charrue a Socs Multiples | traction engine accessories |