| All Patents in class 451/411 |
Patents 31 -
38
of 38
      |
| Number | Date | Patentee | Title | Type |
| 2,862,422 | Dec. 02, 1958 | G.B. Hirsch | Milling Machines | milling machines |
| 2,988,858 | Jun. 20, 1961 | M.M. Bass, R.M. Bell | Grinding machine | |
| 2,988,862 | Jun. 20, 1961 | E.C. Krueger | Opposed table | |
| 3,012,380 | Dec. 12, 1961 | M.M. Bass, R.M. Bell | Table extension for a grinding machine | |
| 3,114,223 | Dec. 17, 1963 | L.C. Hammond | Table support structure | |
| 3,243,921 | Apr. 05, 1966 | D.E. Sutton | Mounting duplex tables on two rods | |
| 4,133,423 | Jan. 09, 1979 | F. Zankl | Shuttle system for machine tool | |
| 4,607,459 | Aug. 26, 1986 | S.C. Rees | Combined hollow grinder, sharpener and honer | |
