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| All Patents in class 493/344 | |||||
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| Number | Date | Patentee | Title | Type | |
| 489,547 | Jan. 10, 1893 | R.J. Shipley | Punching and riveting machine | metal punching machines | |
| 2,329,669 | Sep. 14, 1943 | H.B. Tuthill | Label attaching machine | ||