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| All Patents in class 235/487 | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 37,705 | Feb. 17, 1863 | J.G. Pusey | Improvement in machinery for carving and drilling gun-stocks | |
| 3,251,150 | May 17, 1966 | C.B. Sipek, R.K. Sedgwick | Identifying Means for Tools | ||