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| Patents for Raymond C. Achterberg | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,668,773 | Jun. 13, 1972 | R.C. Achterberg | Automatic Insert Assembly System Employing Rotary Transfer of the Workpiece | workpiece changers and storage mechanisms | |
| 3,691,618 | Sep. 19, 1972 | C.L. Bunker, R.C. Achterberg | Automatic Insert Assembly Machine and Method Employing Deformation and Linear Transfer of Workpieces | workpiece changers and storage mechanisms | |