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| All Patents in class 83/390 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 542,190 | Jul. 02, 1895 | G. Guild | Steam Shears | ||
 | 1,881,185 | Oct. 04, 1932 | R.T. Hazelton | Hydraulic hold-down | |
| 2,132,136 | Oct. 04, 1938 | W.C. Tucker | Holding or stripping mechanism for shearing machines | ||
 | 2,323,770 | Jul. 06, 1943 | M.W. Hazelton | Hold-down means for shears and the like | |
 | 2,353,590 | Jul. 11, 1944 | E. Schutz | Cutting machine | |
 | 2,400,996 | May 28, 1946 | L. Iversen | Metal Shear | |
 | 4,131,143 | Dec. 26, 1978 | G.L. Mayo | Apparatus for cutting floor truss web components | |