| All Patents in class 470/83 |
Patents 16 -
30
of 33
      |
| Number | Date | Patentee | Title | Type |
| 627,556 | Jun. 27, 1899 | F.L. White | Tap | taps and dies |
| 631,080 | Aug. 15, 1899 | A.C. Kraft | Turret Lathe Tool Holder | lathe tool holders and tool posts |
| 713,004 | Nov. 04, 1902 | J. Hunter | Tool Holder | tap and die holders |
| 726,674 | Apr. 28, 1903 | C.L. Goodrich | Tool Holder for Screw Machines | lathe tool holders and tool posts |
| 809,257 | Jan. 02, 1906 | B.M. Hanson | Tool Holder | lathe tool holders and tool posts |
| 921,977 | May 18, 1909 | C.L. Goodrich | Tool Holder | tap and die holders |
| 924,699 | Jun. 15, 1909 | R.M. Elliott, C.E. Sprague | Attachment for Drilling Machines | drill press accessories |
| 932,607 | Aug. 31, 1909 | J.J. Grant | Thread-cutting attachment for automatic lathes | automatic lathes |
| 1,037,796 | Sep. 03, 1912 | W.L. Procunier | Bit and tap and die chuck | tap and die holders |
| 1,222,954 | Apr. 17, 1917 | J.F. Judd, J.J. Hogan | Threading mechanism for automatic lathes | metal lathes |
| 2,147,203 | Feb. 14, 1939 | O. Kylin | Tap holder | metal lathe accessories and attachments |
| 2,206,047 | Jul. 02, 1940 | J.E. Poorman | Tap and Die Holder | tap and die holders |
| 2,281,416 | Apr. 28, 1942 | G.H. Cote | Tool Holder | metalworking machine tool holders |
| 2,333,868 | Nov. 09, 1943 | O. Kylin | Releasing Tap Holder | |
| 2,432,443 | Dec. 09, 1947 | H.H. Ranney | Releasing Tap and Die Holder | tap and die holders |
