| All Patents in class 15/256.51 |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 328,413 | Oct. 13, 1885 | W. Krutzsch | Roller-mill | seed or nut oil apparatus |
| 532,471 | Jan. 15, 1895 | E.C. Mershon | Cleaner and oiler for band-saw wheels | bandsaw accessories |
| 1,673,921 | Jun. 19, 1928 | R.W. Sharp | Sugar Cane Mill | sugar cane apparatus |
| 2,334,276 | Nov. 16, 1943 | L. Menzl | Tool Head | metal planer tool holders |
| 2,589,620 | Mar. 18, 1952 | G.H. Leffel | Apparatus for Cleaning, Dressing, and Grinding Wheels | grinder dressers |
| 2,988,211 | Jun. 13, 1961 | F.J. Kent | Mandrel Lubricating Device | tool lubricators |
| 5,255,549 | Oct. 26, 1993 | R.A. Williams | Tension leveler roll cleaning system and method | |
