| All Patents in class 277/910 |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| 2,180,795 | Nov. 21, 1939 | N.A. Christensen | Packing | shaft seals |
| 2,185,554 | Jan. 02, 1940 | J.T. Janette | Seal for shafts | shaft seals |
| 2,501,984 | Mar. 28, 1950 | L.D. Alward | Shaft Seal | shaft seals |
| 3,191,945 | Jun. 29, 1965 | R.H. Andresen | Rotary Seal With Supporting Sleeve | shaft seals |
| 3,239,232 | Mar. 08, 1966 | R.H. Andresen | Self-leveling Rotary Seal | shaft seals |
| 3,552,752 | Jan. 05, 1971 | B.V. Lojkutz | Shaft Seal | shaft seals |
| 3,718,336 | Feb. 27, 1973 | D.J. Warner, R.H. Jackson | Shaft Seal and Method of Manufacture | shaft seals |
| 3,806,136 | Apr. 23, 1974 | R.H. Jackson, D.J. Warner | Shaft Seal | shaft seals |
| 4,434,986 | Mar. 06, 1984 | D.J. Warner | Shaft Seal | shaft seals |
