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| All Patents in class 83/597 | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 430,264 | Jun. 17, 1890 | C.A. Bertsch | Punching and shearing machine | |
| 569,793 | Oct. 20, 1896 | J.R. George, C.L. Miller | Metal Beaking Machine | ||
 | 1,831,447 | Nov. 10, 1931 | R. Heinrich | Metal cutting instrument | |
| 5,758,557 | Jun. 02, 1998 | G. Moreton | Wood Cutting Device and Method of Using the Same | ||