| All Patents in class 125/11.2 |
Patents 1 -
11
of 11
      |
| Number | Date | Patentee | Title | Type |
| 637,461 | Nov. 21, 1899 | J. Hartness | Fluid Operated Lathe | metal lathes |
| 1,905,224 | Apr. 25, 1933 | C. Booth, F.S. Haas | Grinding Machinery | grinding machines |
| 1,976,123 | Oct. 09, 1934 | F.S. Haas | Grinding Machinery | grinding machines |
| 1,976,124 | Oct. 09, 1934 | F.S. Haas | Machine Tool | grinding machines |
| 1,985,237 | Dec. 25, 1934 | C. Booth | Grinding Machine | grinding machines |
| 2,006,554 | Jul. 02, 1935 | C. Herfurth | Grinding Machine | grinding machines |
| 2,025,885 | Dec. 31, 1935 | F.S. Haas, L.F. Nenninger | Grinding Machine | grinding machines |
| 2,083,115 | Jun. 08, 1937 | C. Booth | Grinding Machine | grinding machines |
| 2,162,038 | Jun. 13, 1939 | W. Trible | Grinding Machine | grinding machines |
| 2,178,875 | Nov. 07, 1939 | B.A. Kearns | Continuous Truing Mechanism | grinding machines |
| 2,641,873 | Jun. 16, 1953 | F.S. Haas | Automatic Truing Mechanism | grinder dressers |
