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| All Patents in class 221/266 | |||||
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| Number | Date | Patentee | Title | Type | |
| 489,547 | Jan. 10, 1893 | R.J. Shipley | Punching and riveting machine | metal punching machines | |
| 543,683 | Jul. 30, 1895 | J.J. Hayes | Feeder for Nailing Machines | nail making machines | |
| 549,190 | Nov. 05, 1895 | W.R. Fox | Rivet-making machine | ||
| 922,640 | May 25, 1909 | E.B. Stimpson | Washer or button feeding attachment for setting-machines | ||
| 1,870,391 | Aug. 09, 1932 | E.B. Stimpson | Tubular rivet drilling machine | riveting machines | |