| Patents for Gustaf R. Appelberg |
Patents 1 -
5
of 5
      |
| Number | Date | Patentee | Title | Type |
| 2,086,837 | Jul. 13, 1937 | G.R. Appelberg | Stroke Control Adjustment for Machine Tools | machine tool controls |
| 2,086,838 | Jul. 13, 1937 | G.R. Appelberg | Double Index Mechanism | machine mechanisms |
| 2,086,852 | Jul. 13, 1937 | E.H. Johnson, G.R. Appelberg, E.P. Bullard, III, E.C. Bullard, E.P. Bullard | Machine Tool | vertical turret lathes |
| 2,385,605 | Sep. 25, 1945 | E.H. Johnson, G.R. Appelberg, E.P. Bullard, III | Machine Tool | machine mechanisms |
| 2,540,186 | Feb. 06, 1951 | F.H. Mussler, P.H. Lange, E.H. Johnson, C.M. Grinage, E.N. Cowell, E.G. Bjorklund, G.R. Appelberg, E.P. Bullard, III, E.P. Bullard | Machine Tool | multiple spindle lathes |
