| All Patents in class 277/374 |
Patents 1 -
8
of 8
      |
| Number | Date | Patentee | Title | Type |
| 2,712,459 | Jul. 05, 1955 | E.C. Wahl | High Speed Shaft Seal | shaft seals |
| 2,756,080 | Jul. 24, 1956 | H.A. Andresen, R.H. Andresen | Rotary Seal and Clutch Assembly | shaft seals |
| 2,824,760 | Feb. 25, 1958 | R.J. Gits | Diaphragm Type Shaft Seal | shaft seals |
| 2,844,393 | Jul. 22, 1958 | H. Jensen | Shaft Seal With Radially Compacting Sealing Surfaces | shaft seals |
| 3,120,959 | Feb. 11, 1964 | R.H. Andresen, H. Jensen | Unitized Face Type Rotary Seal | shaft seals |
| 3,138,390 | Jun. 23, 1964 | H. Jensen | Rotary Seal With Annular Bead | shaft seals |
| 3,718,336 | Feb. 27, 1973 | R.H. Jackson, D.J. Warner | Shaft Seal and Method of Manufacture | shaft seals |
| 4,434,986 | Mar. 06, 1984 | D.J. Warner | Shaft Seal | shaft seals |
