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| All Patents in class 234/89 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 2,947,928 | Aug. 02, 1960 | C.H. Killian | Automatic Machinist | ||
| 3,122,310 | Feb. 25, 1964 | H.F. Meyer | Programmer | ||
| 3,267,772 | Aug. 23, 1966 | J.L. Burg | Quick positioning table | ||