| All Patents in class 279/156 |
Patents 1 -
10
of 26
      |
| Picture | Number | Date | Patentee | Title |
| | 221,746 | Nov. 18, 1879 | J.N. Skinner | Lathe Chuck |
| | 339,595 | Apr. 06, 1886 | C.E. Stone | Drill Chuck |
 | 449,246 | Mar. 31, 1891 | S.P. Graham | Boring-tool holder |
 | 1,188,667 | Jun. 27, 1916 | L.M. Lymburner | Lathe attachment |
 | 1,353,043 | Sep. 14, 1920 | J.E. Hultberg | Tool handle |
 | 1,812,455 | Jun. 30, 1931 | B.F. Stowell | Diaphragm chuck |
| | 1,858,693 | May 17, 1932 | C.E. Van Norman | Chuck |
| | 1,863,108 | Jun. 14, 1932 | J.C. Glenzer | Tool Holder |
| | 1,883,713 | Oct. 18, 1932 | C.B. Gray | Tool Holder |
| | 2,120,198 | Jun. 07, 1938 | R.G. Anderson, J.Y. Blazek | Valve grinder |
