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| Patents for Arthur W. Aufderhar | |||||
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| Picture | Number | Date | Patentee | Title | |
| 1,918,331 | Jul. 18, 1933 | A.W. Aufderhar, W.F. Groene | Combined Eccentric and Concentric Turning Apparatus | ||
 | 2,194,203 | Mar. 19, 1940 | A.W. Aufderhar, W.F. Groene | Lathe Apron | |
| 2,379,147 | Jun. 26, 1945 | A.W. Aufderhar, W.F. Groene | Automatic Lathe | ||
| 2,396,783 | Mar. 19, 1946 | A.W. Aufderhar, W.F. Groene | Multiple Spindle Center Drive Lathe | ||
| 2,396,784 | Mar. 19, 1946 | A.W. Aufderhar, W.F. Groene | Multiple Spindle Center Drive Lathe Feed Mechanism | ||