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| Patents for James Fortune Cass | |||||
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| Number | Date | Patentee | Title | Type | |
| CA-18 | Aug. 24, 1869 | J.F. Cass | Improvements on screw wrenches | nut wrenches | |
| CA-1,135 | Sep. 09, 1871 | J.F. Cass | Cass' Ready Wrench | socket wrenches | |