| All Patents in class 408/179 |
Patents 1 -
15
of 20
      |
| Number | Date | Patentee | Title | Type |
| 115,291 | May 30, 1871 | L.R. Faught | Improvement in die-stocks for cutting screws | taps and dies |
| 164,481 | Jun. 15, 1875 | V.J. Reece | Improvement in screw-cutting dies | taps and dies |
| 170,768 | Dec. 07, 1875 | V.J. Reece | Improvement in Screw Cutting Dies | |
| 182,496 | Sep. 19, 1876 | W. Tucker | Adjustable Reamers | reamers |
| 300,901 | Jun. 24, 1884 | N. Sawyer | Die Stock and Die | tap wrenches and die stocks |
| 389,627 | Sep. 18, 1888 | A. Wirsching | Screw Cutting Die | tap wrenches and die stocks |
| 391,510 | Oct. 23, 1888 | J.M. Carpenter | Screw Cutting Die | |
| 441,603 | Nov. 25, 1890 | S. Tideman | Die and Die Stock | tap wrenches and die stocks |
| 451,448 | May 05, 1891 | E.F. Beugler | Boring Tool | reamers |
| 544,250 | Aug. 06, 1895 | J.E. Fluke | Boring Bar | boring bars |
| 1,062,225 | May 20, 1913 | C.J. Crowley | Tool Holder | drilling and boring tool holders |
| 1,144,795 | Jun. 29, 1915 | E.C. Schmelzkopf | Boring Bar | boring bars |
| 2,689,131 | Sep. 14, 1954 | D.E. Priest | Screwdriver with removable blade | screwdriver blades |
| 2,874,597 | Feb. 24, 1959 | B.E. Bach | Micrometric Boring Head | boring heads |
| 2,878,695 | Mar. 24, 1959 | T.J. Busch | Tool Holder for Boring Bars | drilling and boring tool holders |
