| All Patents in class 184/6.4 |
Patents 1 -
5
of 5
      |
| Number | Date | Patentee | Title | Type |
| 1,183,153 | May 16, 1916 | L.W. Witry | Positively-actuated lubricating device | gas and gasoline engines |
| 1,942,180 | Jan. 02, 1934 | H.E. Martin | Lubricating System | |
| 1,961,514 | Jun. 05, 1934 | A.H. Dall, H. Ernst | Automatic Lubricator | metalworking machine lubrication |
| 2,143,533 | Jan. 10, 1939 | C.E. Brown, W.D. Archea | Machine Tool | grinding machines |
| 4,527,661 | Jul. 09, 1985 | E.E. Kirkham, R. Johnstone | Adaptive Control System for Machine Tool or the Like | machine tool controls |
