| Patents for Barnes Drill Co. |
Patents 91 -
105
of 144
      |
| Number | Date | Patentee | Title | Type |
| 2,787,865 | Apr. 09, 1957 | M.J. Gross | Honing machine and sizing mechanism therefor | honing machines |
| 2,787,866 | Apr. 09, 1957 | M.J. Gross | Plug type gage for honing machines | honing machines |
| 2,791,871 | May 14, 1957 | A.M. Johnson | Honing machine | honing machines |
| 2,795,089 | Jun. 11, 1957 | E.Y. Seborg | Honing machine | honing machines |
| 2,797,531 | Jul. 02, 1957 | E.Y. Seborg | Honing machine with automatic gaging device | honing machines |
| 2,819,566 | Jan. 14, 1958 | A.M. Johnson | Hone expansion control mechanism | honing machines |
| 2,823,498 | Feb. 18, 1958 | G.A. Saunders | Honing element | honing machines |
| 2,829,470 | Apr. 08, 1958 | A.M. Johnson | Machine for finishing holes in irregular workpieces | |
| 2,867,139 | Jan. 06, 1959 | H.J. Caldwell | Boring unit | |
| 2,870,577 | Jan. 27, 1959 | E.Y. Seborg | Honing machine with plug sizing | honing machines |
| 2,923,101 | Feb. 02, 1960 | A.M. Johnson | Pneumatic expander for honing machines | honing machines |
| 2,934,978 | May 03, 1960 | M.R. Estabrook | Positioning system for machine tools | |
| 3,002,403 | Oct. 03, 1961 | M.R. Estabrook | Controls for drilling machines and the like | |
| 3,002,404 | Oct. 03, 1961 | M.R. Estabrook | Control system for machine tools | |
| 3,016,660 | Jan. 16, 1962 | M.J. Gross | Hone and abrasive element therefor | honing machines |
