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Patents for David S. Stewart | |||||
Number | Date | Patentee | Title | Type | |
484,828 | Oct. 25, 1892 | D.S. Stewart | Traction Engine | traction engine tracks | |
484,829 | Oct. 25, 1892 | D.S. Stewart | Traction Engine | traction engine tracks | |
484,830 | Oct. 25, 1892 | D.S. Stewart | Traction Engine | traction engine propulsion components |