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| Patents for Charles A. Oaks | |||||
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| Number | Date | Patentee | Title | Type | |
| 282,256 | Jul. 31, 1883 | E.F. Barnes | Improvements in Pipe-Tongs and Wrench Combined | pipe tongs | |
| 282,435 | Jul. 31, 1883 | E.F. Barnes | Pipe Cutter | pipe cutters | |
| 287,949 | Nov. 06, 1883 | A.T. McDonald | Saw-guard | woodworking machine safety guards | |