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| Patents for Charles M. Williams | |||||
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| Number | Date | Patentee | Title | Type | |
| 72,770 | Dec. 31, 1867 | E.P. Woods, D. Sherwood | Improved wire dish-stand | ||
| 259,147 | Jun. 06, 1882 | F.L. Heughes | Hand drilling-machine | drill presses | |
| 2,358,040 | Sep. 12, 1944 | C.M. Williams | Metering Valve | flow controls | |