| Patents for Frederick J. Theler |
Patents 1 -
10
of 12
      |
| Picture | Number | Date | Patentee | Title |
| | 1,814,350 | Jul. 14, 1931 | F.J. Theler | Grinding Machinery |
| | 1,814,351 | Jul. 14, 1931 | F.J. Theler | Grinding Machinery |
| | 1,891,657 | Dec. 20, 1932 | F.J. Theler | Grinding Machine |
| | 1,952,157 | Mar. 27, 1934 | G.N. Barrere, F.J. Theler, J.E. Caster | Grinding Machinery |
| | 1,991,712 | Feb. 19, 1935 | F.J. Theler | Grinding Machine |
| | 2,006,724 | Jul. 02, 1935 | F.J. Theler | Grinding Machine |
| | 2,073,079 | Mar. 09, 1937 | W. Peaslee, G.V. Johnston, F.J. Theler | Lapping Machine |
| | 2,249,065 | Jul. 15, 1941 | F.J. Theler | Grinding Machine |
| | 2,280,620 | Apr. 21, 1942 | F.J. Theler, G.W. Binns | Apparatus for Finishing Tubular Articles |
| | 2,377,921 | Jun. 12, 1945 | F.J. Theler, G.W. Binns | Grinding Machine |
