| All Patents in class 82/132 |
Patents 121 -
135
of 196
      |
| Number | Date | Patentee | Title | Type |
| 1,750,589 | Mar. 11, 1930 | W.F. Groene | Automatic Lathe Control | machine tool controls |
| 1,790,848 | Feb. 03, 1931 | A. Schinkez, E.R. Smith | Automatic Lathe and Blank Feeding Means Therefor | metal lathes |
| 1,791,270 | Feb. 03, 1931 | W.F. Groene | Motor Traverse for Lathes | metalworking machine mechanisms |
| 1,797,705 | Mar. 24, 1931 | E.J. Svenson | Machine tool | |
| 1,838,119 | Dec. 29, 1931 | E.J. Svenson | Machine tool | |
| 1,880,939 | Oct. 04, 1932 | A.N. Emmons | Lathe | wood lathes |
| 1,883,082 | Oct. 18, 1932 | J.F. Benner, P. Sundstrand | Lathe | |
| 1,907,938 | May 09, 1933 | T. Thorsen, A. Storm | Piston turning and grinding machine | automotive tools |
| 1,917,905 | Jul. 11, 1933 | W.L. Schellenbach | Machine tool feeding apparatus | metal lathes |
| 1,918,331 | Jul. 18, 1933 | A.W. Aufderhar, W.F. Groene | Combined Eccentric and Concentric Turning Apparatus | metal lathes |
| 1,924,593 | Aug. 29, 1933 | G.W. Binns | Grinding Machine | grinding machines |
| 1,926,996 | Sep. 12, 1933 | W.G. Hoelscher, G. Hieber | Carriage feeding mechanism for lathes | metal lathes |
| 1,937,400 | Nov. 28, 1933 | C.A. Bickel | Machine Tool | engine lathes |
| 1,947,234 | Feb. 13, 1934 | G.D. Sundstrand | Machine for truing brake drums | brake maintenance |
| 1,999,778 | Apr. 30, 1935 | F.S. Haas, W. Peaslee | Grinding Machinery | grinding machines |
