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| Patents for Charles D. Waters | |||||
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| Number | Date | Patentee | Title | Type | |
| 236,469 | Jan. 11, 1881 | C.D. Waters | Square & Bevel Suface Gage | surface gauges | |
| 265,350 | Oct. 03, 1882 | C.D. Waters | Square & Bevel Instrument | bevel squares | |
| 267,336 | Nov. 14, 1882 | A.H. Ege, C.D. Waters | Protractor | protractors | |