| All Patents in class 408/73 |
Patents 1 -
15
of 18
      |
| Number | Date | Patentee | Title | Type |
| 418,637 | Dec. 31, 1889 | J.O. Barrett | Vise | bench vises |
| 572,934 | Dec. 08, 1896 | W.J. Smith | Die Head for Screw Cutting | tap and die holders |
| 627,556 | Jun. 27, 1899 | F.L. White | Tap | taps and dies |
| 909,437 | Jan. 12, 1909 | C.A. Mercier | Tapping Machine | tapping machines |
| 909,749 | Jan. 12, 1909 | I.W. Sprink, F.L. Brown | Adjustable Collapsing Tap | tapping heads and chucks |
| 958,654 | May 17, 1910 | H.S. Land | Lathe and Other Tool Holder for Cutting, Shaping and Screwing Machines | lathe tool holders and tool posts |
| 979,790 | Dec. 27, 1910 | H.W. Oster | Die-stock | taps and dies |
| 1,006,532 | Oct. 24, 1911 | A. Casazza | Portable magnetic drill | portable metal drilling machines |
| 1,200,718 | Oct. 10, 1916 | H.L. Fisher | Cutter-head | pipe threading machines |
| 1,203,884 | Nov. 07, 1916 | R.C. Lewis | Collapsible Tap or Die | taps and dies |
| 1,209,306 | Dec. 19, 1916 | V.R. Koontz | Collapsible tap | taps and dies |
| 1,353,048 | Sep. 14, 1920 | V.R. Koontz | Collapsible tap | taps and dies |
| 1,362,800 | Dec. 21, 1920 | P. Jardine | Collapsible tap | |
| 1,391,639 | Sep. 20, 1921 | V.R. Koontz | Collapsible tap | taps and dies |
| 1,613,369 | Jan. 04, 1927 | E.L. Worbois | Nut-Tapping Machine | nut or bolt making machines |
