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| All Patents in class 72/335 | |||||
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| Number | Date | Patentee | Title | Type | |
| 184,158 | Nov. 07, 1876 | H.W. Kip | Method of Making Hammers | hammers | |
| 432,528 | Jul. 22, 1890 | C.S. Hamlin, A.C. Harper | Machine for Punching and Riveting | rivet making machines | |