| All Patents in class 279/156 |
Patents 16 -
25
of 25
      |
| Number | Date | Patentee | Title | Type |
| 2,489,023 | Nov. 22, 1949 | R.M. Gamble | Lathe | automatic lathes |
| 2,533,758 | Dec. 12, 1950 | J.W. Lehde, B. Better | Floating Holder | drilling and boring tool holders |
| 2,763,488 | Sep. 18, 1956 | R.E. Buck, J.R. Buck | Chuck with adjustable tool bar support | metal lathe chucks |
| 2,771,297 | Nov. 20, 1956 | W. Nipken | Adjustable stop for a collet or the like | work holding |
| 2,821,404 | Jan. 28, 1958 | H.E. Sloan | Collet Chuck with Internal Work Stop Provisions | metal lathe chucks |
| 2,849,902 | Sep. 02, 1958 | C.B. De Vlieg, A.N. Sweeny | Presetting boring bar and tool holder | facing heads |
| 3,133,740 | May 19, 1964 | A.W. Drantz | Hydraulic Type Holder for Drill Chucks and the Like | hydraulic apparatus |
| 4,312,513 | Jan. 26, 1982 | H.F. Swenson | Gear Holding Hydraulically Actuated Chuck | gear making machines |
| 4,786,221 | Nov. 22, 1988 | K.L. March | Quick release chuck mechanism and method for achieving interchange ability of tool inserts therein | tapping machines |
| 4,795,291 | Jan. 03, 1989 | K.L. March | Method for achieving interchangeability of tool inserts | tapping machines |
