| All Patents in class 279/6 |
Patents 76 -
90
of 102
      |
| Number | Date | Patentee | Title | Type |
| 2,564,460 | Aug. 14, 1951 | J.R. Blanco | Boring Head | boring heads |
| 2,594,057 | Apr. 22, 1952 | A.A. Muehling | Universal chuck vice | |
| 2,639,157 | May 19, 1953 | R.E. Buck, J.R. Buck | Adjustable chuck | metal lathe chucks |
| 2,640,378 | Jun. 02, 1953 | R.W. Haggar | Boring Head Construction | boring heads |
| 2,654,610 | Oct. 06, 1953 | H.R. De Vlieg | Offset boring head | boring heads |
| 2,661,218 | Dec. 01, 1953 | H.R. Snow, R.M. Snow | Offset Boring Head | boring heads |
| 2,676,501 | Apr. 27, 1954 | I.W. North | Adjustable Rotary Machining Tool | metalworking machine tool holders |
| 2,708,583 | May 17, 1955 | W. Todd | Tool Holder for a Turret Lathe | lathe tool holders and tool posts |
| 2,751,614 | Jun. 26, 1956 | E.J. Bourguignon | Tool Holder Provided With Readily Adjustable Alignment Means | tapping heads and chucks |
| 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 |
| 2,780,467 | Feb. 05, 1957 | R.O. Jackson | Eccentric Boring Head | boring heads |
| 2,793,041 | May 21, 1957 | C.A. Ginter, J.E. Barbier | Machine Tool Fixture | jigs and fixtures |
| 2,811,365 | Oct. 29, 1957 | R.E. Larson | Tool Holder | metalworking machine tool holders |
| 2,821,402 | Jan. 28, 1958 | W.E. Schober | Lathe Tool Holder | lathe tool holders and tool posts |
