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All Patents of Type: traction engine clutches | |||||
Number | Date | Patentee | Title | Type | |
428,634 | May 27, 1890 | W.N. Rumely | Friction Clutch | traction engine clutches | |
683,357 | Sep. 24, 1901 | M.J. Todd | Clutch for Traction Engines | traction engine clutches | |
683,815 | Oct. 01, 1901 | M.J. Todd | Clutch for Traction Engines | traction engine clutches |