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| All Patents in class 83/497 | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 28,986 | Jul. 03, 1860 | W.W. Hurlbut, J.B. Hurlbut | Machine for sawing staves | |
| 686,641 | Nov. 12, 1901 | C.J. Wangler | Rotary Bevel Shears | ||
 | 954,681 | Apr. 12, 1910 | D. Lennox | Sheet-shearing machine | |
 | 1,651,654 | Dec. 06, 1927 | L. Williams | Shear machine | |
| 5,373,766 | Dec. 20, 1994 | R.L. Ahrns, D.P. Ranly | Slitter Knife Holder | ||