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| All Patents in class 483/37 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 3,200,492 | Aug. 17, 1965 | R.A. Lehmkuhl | Multiple Use Machine With Tool Changer | ||
| 3,355,798 | Dec. 05, 1967 | E.F. Drechsler | Machine Tool with a Tool Changer | ||
| 3,571,912 | Mar. 23, 1971 | E.J. Kielma | Multi-tool Tool Changer | ||
| 4,288,909 | Sep. 15, 1981 | J.T. Currer, A. Schabowski, E.J. Kielma | Automatic Tool Changer for Machine Tools | ||
| 4,306,350 | Dec. 22, 1981 | F.E. Dailey, E.J. Kielma | Automatic Tool Changer and Tool Storage Arrangement for Machine Tool | ||