| All Patents in class 82/150 |
Patents 61 -
66
of 66
      |
| Number | Date | Patentee | Title | Type |
| 2,643,571 | Jun. 30, 1953 | E.P. Bullard, III | Machine Tool Centering Device | |
| 2,780,467 | Feb. 05, 1957 | R.O. Jackson | Eccentric Boring Head | boring heads |
| 2,839,968 | Jun. 24, 1958 | A.D. Moncrieff | Hobbing Machine | gear making machines |
| 2,909,955 | Oct. 27, 1959 | T.V. Williams | Headstock for Lathes and the Like | metal lathes |
| 4,033,210 | Jul. 05, 1977 | H.F. Swenson | Live Center With Hydraulic Pressure Indicator | metal lathe accessories and attachments |
| 4,033,211 | Jul. 05, 1977 | H.F. Swenson | Replaceable flinger for live centers | metal lathe accessories and attachments |
