| All Patents in class 408/184 |
Patents 1 -
11
of 11
      |
| Number | Date | Patentee | Title | Type |
| 5,803X | Jan. 29, 1830 | A.L. (Lemont) | Screw dies and taps | |
| 51,048 | Nov. 21, 1865 | J. Holroyd, W. Holroyd | Die-Stock and Tap-Wrench | tap and die holders |
| 135,314 | Jan. 28, 1873 | F.D. Bliss | Die Plates | tap and die holders |
| 195,713 | Oct. 02, 1877 | M.C. Johnson | Screw-Cutting Dies | tap and die holders |
| 206,920 | Aug. 13, 1878 | E.P. Baville | Screw Cutting Stock and Tool | tap and die holders |
| 239,569 | Mar. 29, 1881 | E. Squires | Holder For Nuts and Dies | tap wrenches and die stocks |
| 437,385 | Sep. 30, 1890 | F.J. Smith | Screw-cutting die | taps and dies |
| 757,131 | Apr. 12, 1904 | E. Leonard | Hand Turning Tool | tap and die holders |
| 771,328 | Oct. 04, 1904 | C.N. Schooley | Tool | tap and die holders |
| 1,080,565 | Dec. 09, 1913 | V.R. Koontz | Tool Holder | lathe tool holders and tool posts |
| 5,918,652 | Jul. 06, 1999 | E.C. Tucker | Router bit positioning mechanism | |
