| All Patents in class 184/6.3 |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 2,045,737 | Jun. 30, 1936 | F.S. Haas, E.D. Vancil | Machine Tool | grinding machines |
| 2,072,814 | Mar. 02, 1937 | F.S. Haas | Grinding Machinery | grinding machines |
| 2,143,533 | Jan. 10, 1939 | C.E. Brown, W.D. Archea | Machine Tool | grinding machines |
| 2,160,778 | May 30, 1939 | H. Ernst, A.H. Dall | Bearing | grinding machines |
| 2,384,590 | Sep. 11, 1945 | W.G. Baldenhofer | Lubrication System for Machine Tools | metalworking machine lubrication |
| 2,425,281 | Aug. 05, 1947 | W.G. Hoelscher | Lubrication of machine tools | radial drill presses |
