All Patents in class 15/104.33 |
Patents 1 -
10
of 10
      |
Picture | Number | Date | Patentee | Title |
 | 243,978 | Jul. 05, 1881 | G.S. Rominger | Three-jaw chuck with self-aligning jaws |
 | 258,910 | Jun. 06, 1882 | E.S. Fuller | Lathe center-rest |
| 510,020 | Dec. 05, 1893 | J. Hartness | Screw Machine |
| 1,285,712 | Nov. 26, 1918 | H.R. Hughes | Horizontal Drilling Machine |
 | 1,717,736 | Jun. 18, 1929 | D.B. Salstrom | Carving-machine bit |
| 1,851,766 | Mar. 29, 1932 | C.F. Hotchkiss, Jr. | Auger or Boring Device |
| 1,910,768 | May 23, 1933 | C.F. Hotchkiss | Boring Tool |
| 1,912,525 | Jun. 06, 1933 | C.F. Hotchkiss, Jr. | Pipe Cleaning Tool |
| 2,161,028 | Jun. 06, 1939 | P.P. Dubosclard | Conduit cleaner |
| 2,321,442 | Jun. 08, 1943 | J.C. Wilson | Collapsible antifriction nut |