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| All Patents in class 277/372 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 2,844,393 | Jul. 22, 1958 | H. Jensen | Shaft Seal With Radially Compacting Sealing Surfaces | ||
| 3,013,823 | Dec. 19, 1961 | G.H. Schulz | Seal | ||
| 3,288,474 | Nov. 29, 1966 | R.J. Gits | Bellows Seal Structure | ||
| 3,718,336 | Feb. 27, 1973 | D.J. Warner, R.H. Jackson | Shaft Seal and Method of Manufacture | ||
| 3,972,536 | Aug. 03, 1976 | E.C. Wahl, D.J. Warner | Rotating Shaft Seal Assembly | ||
| 4,434,986 | Mar. 06, 1984 | D.J. Warner | Shaft Seal | ||