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| Patents for J. I. Case Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,068,536 | Jan. 19, 1937 | D.P. Davies | Pump | centrifugal pumps | |
| 2,334,146 | Nov. 09, 1943 | D.P. Davies | Turbulence Cylinder Head | cylinder heads | |
| 2,775,147 | Dec. 25, 1956 | T.E. Crawford, E. Schneebeli | Taper Boring Device | vertical boring mills | |