| All Patents in class 184/6.12 |
Patents 1 -
10
of 11
      |
| Picture | Number | Date | Patentee | Title |
| | 1,132,947 | Mar. 23, 1915 | C.V. Kerr | Gear Lubrication |
| | 1,631,537 | Jun. 07, 1927 | J.G. Krenzke | Lubrication System for Train of Gears |
 | 1,926,998 | Sep. 12, 1933 | W.G. Hoelscher | Lubrication apparatus for transmissions |
| | 2,012,340 | Aug. 27, 1935 | G.W. Emrick | Tapping attachment |
| | 2,452,709 | Nov. 02, 1948 | R.B. Aiman | Lubricating System for Adjustable Multiple Spindle Drill Head |
| | 2,524,381 | Oct. 03, 1950 | A.F. Froussard | Machine Bearing Protecting Device |
| | 2,697,965 | Dec. 28, 1954 | J.B. Armitage | Machine Tool |
| | 2,708,985 | May 24, 1955 | W.M. Evans, R.A. Morrison | Lubrication system |
 | 2,793,714 | May 28, 1957 | F.O. Luenberger | Lubrication system for enclosed transmission |
| | 2,908,353 | Oct. 13, 1959 | W.R. Johnson, G.K. Isaacs | Engine Starting Unit |
