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| All Patents in class 483/23 | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,141,133 | Feb. 27, 1979 | C.M. Grinage | Tool Changer for Vertical Boring Machine | tool changers and storage mechanisms | |
| 4,546,533 | Oct. 15, 1985 | J.S. Reynolds, R.L. Hallbach | Automatic Toolchanger System for Turning Machine | tool changers and storage mechanisms | |