| All Patents in class 451/339 |
Patents 1 -
10
of 16
      |
| Picture | Number | Date | Patentee | Title |
| | 926,761 | Jul. 06, 1909 | J.G. Oliver | Lathe Chuck |
| | 1,575,558 | Mar. 02, 1926 | W.D. Archea, L.F. Nenninger, S. Einstein | Centreless Grinding Machine |
| | 1,688,103 | Oct. 16, 1928 | W.D. Archea | Work Rest and Ejecting Device for Grinding Machines |
| | 1,790,848 | Feb. 03, 1931 | A. Schinkez, E.R. Smith | Automatic Lathe and Blank Feeding Means Therefor |
| | 1,842,375 | Jan. 26, 1932 | S. Einstein | Grinding Machinery |
| | 1,850,373 | Mar. 22, 1932 | C. Booth | Grinding Machine |
| | 1,864,129 | Jun. 21, 1932 | H. Fritschi | Machine Tool Structure |
| | 1,864,578 | Jun. 28, 1932 | G.W. Binns | Grinding Machine |
| | 1,896,481 | Feb. 07, 1933 | R.A. Cole | Centerless Grinding Machine |
| | 1,919,143 | Jul. 18, 1933 | G.W. Binns | Grinding Machine |
