| All Patents in class 15/104.33 |
Patents 1 -
11
of 11
      |
| Number | Date | Patentee | Title | Type |
| 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 | wood lathes |
| 510,020 | Dec. 05, 1893 | J. Hartness | Screw Machine | screw machines |
| 1,246,326 | Nov. 13, 1917 | J.H. Rusby | Extension-drill | handheld power drills |
| 1,285,712 | Nov. 26, 1918 | H.R. Hughes | Horizontal Drilling Machine | |
| 1,717,736 | Jun. 18, 1929 | D.B. Salstrom | Carving-machine bit | carving machines |
| 1,851,766 | Mar. 29, 1932 | C.F. Hotchkiss, Jr. | Auger or Boring Device | pipe and orifice cleaners |
| 1,910,768 | May 23, 1933 | C.F. Hotchkiss | Boring Tool | plumber |
| 1,912,525 | Jun. 06, 1933 | C.F. Hotchkiss, Jr. | Pipe Cleaning Tool | pipe and orifice cleaners |
| 2,161,028 | Jun. 06, 1939 | P.P. Dubosclard | Conduit cleaner | manufacturing paper |
| 2,321,442 | Jun. 08, 1943 | J.C. Wilson | Collapsible antifriction nut | industrial machine clutches |
