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| All Patents in class 483/58 | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,249,997 | May 10, 1966 | M.L. Hutchens | Program Tool Verifier | milling machines | |
| 4,087,901 | May 09, 1978 | F. Zankl, E.R. Lohneis | Tool Change Mechanism for Machine Tools | tool changers and storage mechanisms | |