| All Patents in class 408/203.5 |
Patents 1 -
15
of 17
      |
| Number | Date | Patentee | Title | Type |
| 23,364 | Mar. 29, 1859 | L.F. Goodyear | Turning Metal | portable turning tools |
| 346,103 | Jul. 27, 1886 | C. Holly | Milling Tool | milling machine cutters |
| 418,903 | Jan. 07, 1890 | M. Weiss | Hollow Mill | lathe tools |
| 578,209 | Mar. 02, 1897 | H.A. Carlson | Hollow auger | hollow bits |
| 661,554 | Nov. 13, 1900 | J.E. Roberts | Rotary Cutter Head | drill bits |
| 1,055,013 | Mar. 04, 1913 | J. Gunzenhauser, W. Bennington | Portable Milling Tool | milling machine tools |
| 1,165,859 | Dec. 28, 1915 | O. Ebert | Hollow Mill | milling machine cutters |
| 1,244,665 | Oct. 30, 1917 | C.W. Watson | Tool-holder | lathe tool holders and tool posts |
| 1,253,015 | Jan. 08, 1918 | D.L. Driscoll | Combination Overshot Rotary Milling Cutter | milling machine cutters |
| 1,255,304 | Feb. 05, 1918 | E. Gairing | Hollow Milling Tool | milling machine cutters |
| 1,424,392 | Aug. 01, 1922 | F.W. Franklin, W.W. Baker | Tool and Holder Therefor | drilling and boring tool holders |
| 1,688,558 | Oct. 23, 1928 | O. Severson | Hollow Mill | milling machine cutters |
| 1,721,378 | Jul. 16, 1929 | G.J. Draeger | Floating Tool Holder | drilling and boring tool holders |
| 2,097,898 | Nov. 02, 1937 | O. Severson | Adjustable Hollow Mill | milling machine cutters |
| 5,213,456 | May 25, 1993 | L.G. Lee | Plug cutter | |
