| All Patents in class 408/141 |
Patents 1 -
9
of 9
      |
| Picture | Number | Date | Patentee | Title |
| | 497,767 | May 23, 1893 | J.B. Clyne | Die or Tap Holder for Screw Machines |
 | 795,123 | Jul. 18, 1905 | R.G. Henry, D.M. Wright | Drill-spindle |
| | 808,981 | Jan. 02, 1906 | C.L. Goodrich | Tool Holder |
| | 809,257 | Jan. 02, 1906 | B.M. Hanson | Tool Holder |
 | 2,029,447 | Feb. 04, 1936 | H.M. Swain | Auger Bit |
| | 2,578,995 | Dec. 18, 1951 | M.H. Emrick | Tapping machine |
 | 3,030,818 | Apr. 24, 1962 | A.I. Zagar | Positive drive tapping attachments |
| | 3,178,739 | Apr. 20, 1965 | W.M. Ritter, H.R. Plummer | Double Float Tool Holder |
| | 5,642,969 | Jul. 01, 1997 | D.S. Strait | Portable Machine Tool |
