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| All Patents in class 301/44.3 | |||||
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| Number | Date | Patentee | Title | Type | |
| 994,348 | Jun. 06, 1911 | M.J. Todd | Traction Wheel | traction engine wheels | |
| 1,170,051 | Feb. 01, 1916 | D.P. Davies | Traction Wheel | traction engine wheels | |