All Patents in class 451/242 |
Patents 61 -
75
of 109
|
Number | Date | Patentee | Title | Type |
2,004,426 | Jun. 11, 1935 | F.S. Haas, C. Booth | Grinding Machine | grinding machines |
2,006,570 | Jul. 02, 1935 | F.S. Haas | Grinding Machinery | grinding machines |
2,010,359 | Aug. 06, 1935 | F.S. Haas | Grinding Machine | grinding machines |
2,012,078 | Aug. 20, 1935 | G.W. Binns | Art of Grinding | grinding machines |
2,020,541 | Nov. 12, 1935 | H. Ernst | Grinding Machine | grinding machines |
2,023,720 | Dec. 10, 1935 | H.H. Asbridge | Centerless grinding machine | |
2,024,283 | Dec. 17, 1935 | F.M. Gertiser | Grinding Machine | grinding machines |
2,033,324 | Mar. 10, 1936 | L.F. Nenninger, J.E. Caster | Process of Grinding | grinding machines |
2,033,335 | Mar. 10, 1936 | F.S. Haas, B.A. Kearns | Grinding Machine | grinding machines |
2,042,257 | May 26, 1936 | C.W. Hopkins, R.E. Harrison | Machine Tool | grinding machines |
2,043,408 | Jun. 09, 1936 | E.F. Haas | Grinding Machine | grinding machines |
2,045,894 | Jun. 30, 1936 | G.W. Binns | Grinding Machine | grinding machines |
2,048,467 | Jul. 21, 1936 | E.G. Roehm | Grinding Machine | grinding machines |
2,049,611 | Aug. 04, 1936 | C.W. Hopkins, R.E. Harrison | Automatic Sizing Mechanism | grinding machines |
2,060,785 | Nov. 17, 1936 | C. Booth, G.W. Binns | Grinding Machine | grinding machines |