| All Patents in class 408/240 |
Patents 46 -
60
of 65
      |
| Number | Date | Patentee | Title | Type |
| 1,041,858 | Oct. 22, 1912 | D.J. Normoyle | Tap Wrench | tap wrenches and die stocks |
| 1,160,042 | Nov. 09, 1915 | J.M. Carpenter | Tool Holder | tool holders |
| 1,411,538 | Apr. 04, 1922 | A.H. Sweetland | Hand drill | handheld power drills |
| 1,506,331 | Aug. 26, 1924 | I. Benkö | Tool Holder | drilling and boring tool holders |
| 1,608,113 | Nov. 23, 1926 | A.G. Lundin, G.E. Nace | Chuck | |
| 1,698,254 | Jan. 08, 1929 | E.P. Bullard, Jr. | Power Chuck | |
| 1,987,504 | Jan. 08, 1935 | J. Denz | Tool Holder | drilling and boring tool holders |
| 2,281,416 | Apr. 28, 1942 | G.H. Cote | Tool Holder | metalworking machine tool holders |
| 2,449,103 | Sep. 14, 1948 | H.P. Boggis | Tap driver | tapping heads and chucks |
| 2,492,797 | Dec. 27, 1949 | E. Guetzkow | Milling Cutter | milling machine cutters |
| 2,649,818 | Aug. 25, 1953 | E.J. Kaiser | Metal Cutting Tool | insert tool holders |
| 3,052,999 | Sep. 11, 1962 | C.B. Sipek, R.K. Sedgwick | Identifying Means for Tools | milling machine tools |
| 3,060,771 | Oct. 30, 1962 | H.L. Johnson | Block Type Tool With Throw Away Inserts | insert tool holders |
| 3,162,283 | Dec. 22, 1964 | A.G. Troka, H.G. Saul | Dual Purpose Chuck | drill press chucks |
| 3,295,187 | Jan. 03, 1967 | H.R. Plummer | Adjustable Block Type Cutting Tool With Clamped on Insert Blades | insert tool holders |
