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| Patents for K D Mfg Co | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,902,711 | Mar. 21, 1933 | M.C. Dellinger, H.W. Kulp | Bushing Remover | vehicle mechanic | |
| 2,135,900 | Nov. 08, 1938 | H.W. Kulp | Grinding Tool | valve grinding tools | |
| 2,195,216 | Mar. 26, 1940 | H.W. Kulp | Device for Removing and Replacing Piston Rings | automotive tools | |
| 2,533,121 | Dec. 05, 1950 | H.W. Kulp | Valve Spring Compressor | valve spring tools | |