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| Patents for Charles R. Watrous | |||||
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| Number | Date | Patentee | Title | Type | |
| 322,240 | Jul. 14, 1885 | C.R. Watrous, E.B. Benham | Nut Cracker | nutcrackers | |
| 343,351 | Jun. 08, 1886 | C.R. Watrous | Nut Cracker | nutcrackers | |