| All Patents in class 451/408 |
Patents 16 -
30
of 37
      |
| Number | Date | Patentee | Title | Type |
| 1,182,478 | May 09, 1916 | B.M. Hanson | Steady Rest | grinding attachments |
| 1,290,896 | Jan. 14, 1919 | W.L. Bryant | Machine for grinding metal | cylindrical grinders |
| 1,405,206 | Jan. 31, 1922 | W.F. Groene | Work Support | metal lathe accessories and attachments |
| 1,575,520 | Mar. 02, 1926 | W.D. Archea | Work Carrying Device for Grinding Machines | centerless grinders |
| 1,577,353 | Mar. 16, 1926 | H.R. Isler, S. Einstein | Steady Rest | cylindrical grinders |
| 1,622,822 | Mar. 29, 1927 | F.B. Cockburn | Universal Follow Rest | metal lathe accessories and attachments |
| 1,654,213 | Dec. 27, 1927 | L.F. Nenninger, S. Einstein | Steady-Rest Mechanism for Grinding Machines | grinding machines |
| 1,671,711 | May 29, 1928 | C.M. Gearing | Work Supporting and Centering Device | |
| 1,709,671 | Apr. 16, 1929 | B.A. Kearns | Grinding Machinery | grinding machines |
| 1,736,378 | Nov. 19, 1929 | R.A. Ashton, E.R. Smith | Steady Rest | |
| 1,736,421 | Nov. 19, 1929 | D. Turcott | Steady rest for automatic lathes | pattern lathes |
| 1,906,577 | May 02, 1933 | W.F. Groene | Steady Rest for Crank Shaft Lathes | metalworking machine mechanisms |
| 1,938,763 | Dec. 12, 1933 | F.S. Haas | Grinding Machinery | grinding machines |
| 2,245,922 | Jun. 17, 1941 | A.M. Johnson | Horizontal honing machine | honing machines |
| 2,396,450 | Mar. 12, 1946 | C.E. Walling | V Block Fixture | V blocks |
