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| All Patents in class 83/383 | |||||
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| Number | Date | Patentee | Title | Type | |
| 145,464 | Dec. 09, 1873 | G.A. Walker | Improvement in machines for cutting paper | paper cutting machines | |
| 1,958,705 | May 15, 1934 | W.F. Klein | Apparatus for Thin Wall Broaching | ||
| 3,779,116 | Dec. 18, 1973 | A.C. McDaniel, Jr., W. I.Curtis | Shearing apparatus | metal shearing machines | |
| 4,569,263 | Feb. 11, 1986 | M.L. Kravets | Method and apparatus for fine shearing | metal shearing machines | |