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| All Patents in class 83/501 | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 21,710 | Oct. 05, 1858 | J. Waugh | Machine for Trimming the Edge of Paper Hangings | |
 | 73,243 | Jan. 14, 1868 | A. Goodyear | Improved machine for scalloping leather | |
 | 144,155 | Oct. 28, 1873 | M. Stephens | Improvement in rotary shears for metal | |
| 1,044,990 | Nov. 19, 1912 | F.F. Clarke, L.H. Cloburn | Currency Cutting Machine | ||
| 5,373,766 | Dec. 20, 1994 | R.L. Ahrns, D.P. Ranly | Slitter Knife Holder | ||