| All Patents in class 279/16 |
Patents 61 -
72
of 72
      |
| Number | Date | Patentee | Title | Type |
| 2,767,993 | Oct. 23, 1956 | E.A. Galler | Universal Chuck of the Center-Adjustable and Self-Locking Type | metal lathe chucks |
| 2,768,832 | Oct. 30, 1956 | F.H. Smith | Self-Aligning Tool Holder | drilling and boring tool holders |
| 2,778,647 | Jan. 22, 1957 | S.S. Benjamin, M.L. Benjamin | Floating Tool Holder | drilling and boring tool holders |
| 2,793,867 | May 28, 1957 | H.O. Stuart | Self Aligning Tool Holder for Turret Lathes | drilling and boring tool holders |
| 2,826,053 | Mar. 11, 1958 | H.Q. Munn | Floating Tool Holder | drilling and boring tool holders |
| 2,833,544 | May 06, 1958 | R.E. Blades | Compensating Tool Holder | lathe tool holders and tool posts |
| 2,836,424 | May 27, 1958 | J.L. Guildi | Automatic Centering Tool Holder Mechanism | drilling and boring tool holders |
| 2,848,239 | Aug. 19, 1958 | M.L. Benjamin, S.S. Benjamin | Floating Tool Holder | drilling and boring tool holders |
| 2,932,196 | Apr. 12, 1960 | J.J. Sledz | Internal Recessing Tool and Holder Therefor | drilling and boring tool holders |
| 2,965,380 | Dec. 20, 1960 | M.L. Benjamin | Floating Tool Holder | drilling and boring tool holders |
| 2,981,544 | Apr. 25, 1961 | B.R. Better | Floating Holders | floating tool holders |
| 3,041,898 | Jul. 03, 1962 | B.R. Better | Tool Centering Device | tool centering apparatus |
