| Patents for Arthur W. Aufderhar |
Patents 1 -
5
of 5
      |
| Number | Date | Patentee | Title | Type |
| 1,918,331 | Jul. 18, 1933 | A.W. Aufderhar, W.F. Groene | Combined Eccentric and Concentric Turning Apparatus | metal lathes |
| 2,194,203 | Mar. 19, 1940 | A.W. Aufderhar, W.F. Groene | Lathe Apron | metal lathe accessories and attachments |
| 2,379,147 | Jun. 26, 1945 | A.W. Aufderhar, W.F. Groene | Automatic Lathe | multiple spindle lathes |
| 2,396,783 | Mar. 19, 1946 | A.W. Aufderhar, W.F. Groene | Multiple Spindle Center Drive Lathe | multiple spindle lathes |
| 2,396,784 | Mar. 19, 1946 | A.W. Aufderhar, W.F. Groene | Multiple Spindle Center Drive Lathe Feed Mechanism | metalworking machine mechanisms |
