| All Patents in class 72/108 |
Patents 1 -
12
of 12
      |
| Number | Date | Patentee | Title | Type |
| 67,395 | Aug. 06, 1867 | W. Evans, W.L. Aldrich | Improvement in Machines for Twisting Augers | tool making machines |
| 632,358 | Sep. 05, 1899 | T.H. Miller | Nurling Tool | lathe tools |
| 768,771 | Aug. 30, 1904 | A.H. Riegner | Knurling Tool Holder | lathe tool holders and tool posts |
| 788,516 | May 02, 1905 | E. Childs | Nurling Machine | embossing and knurling machines |
| 2,359,997 | Oct. 10, 1944 | A.B. Lamoreaux | Knurling Tool | lathe tools |
| 2,436,950 | Mar. 02, 1948 | H. Boyar | Knurling Tool | lathe tools |
| 2,436,975 | Mar. 02, 1948 | A.R. Ross | Knurling Tool | lathe tools |
| 2,494,073 | Jan. 10, 1950 | E.L. Weaver | Knurling Tool Holder | lathe tool holders and tool posts |
| 2,579,611 | Dec. 25, 1951 | J.E. Poorman | Knurling Tool | knurling tools |
| 2,645,953 | Jul. 21, 1953 | M.J. Schlitters | Knurling and Burnishing Tool Holder | lathe tool holders and tool posts |
| 2,684,604 | Jul. 27, 1954 | C.H. Froberg, Jr. | Universal Knurling Tool | |
| 2,870,661 | Jan. 27, 1959 | J.E. Poorman | Knurling Tool | knurling tools |
