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| All Patents in class 72/408 | |||||
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| Number | Date | Patentee | Title | Type | |
| 133,224 | Nov. 19, 1872 | A.W. Webster, A.B. Hendryx | Improvement in the Machines for Compressing Metal Pointing Wire, &c. | ||
| 301,937 | Jul. 15, 1884 | T. Tripp, Jr. | Trip-hammer | trip and helve hammers | |
| 628,043 | Jul. 04, 1899 | N. Sperber | Counter Mechanism for Metal Working Machines | metal swaging machines | |