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| All Patents in class 403/318 | |||||
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| Number | Date | Patentee | Title | Type | |
| 711,284 | Oct. 14, 1902 | W.W. Carey | Compression shaft-coupling | industrial machine shaft couplings | |
| 1,049,984 | Jan. 07, 1913 | C.L. Bowers | Wheel-locking device | metalworking power transmission | |
| 1,723,824 | Aug. 06, 1929 | M.E. Tobeler | Removable Tool Holder | sheet metal stamping dies | |
| 2,774,430 | Dec. 18, 1956 | W.J. Blazek | Latching means for die set retainers | dies for punch presses | |