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| Patents for W. M. Byorkman | |||||
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| Number | Date | Patentee | Title | Type | |
| 515,292 | Feb. 20, 1894 | A.H. Kent | Tap Wrench | tap wrenches and die stocks | |
| 981,390 | Jan. 10, 1911 | C.D. Rice | Belt-gearing | drill presses | |
| 1,022,756 | Apr. 09, 1912 | C.D. Rice | Belt-gearing | drill presses | |
| 1,215,705 | Feb. 13, 1917 | C.D. Rice | Multiple-spindle milling-machine and the like | milling machines | |