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| All Patents in class 277/379 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,151,776 | Aug. 31, 1915 | J.L. Fuller | Valve | industrial valves | |
| 1,967,316 | Jul. 24, 1934 | D.A. Meeker | Pump | ||
| 2,185,554 | Jan. 02, 1940 | J.T. Janette | Seal for shafts | shaft seals | |
| 3,109,659 | Nov. 05, 1963 | R.J. Gits | Demountable Seal Assembly | shaft seals | |
| 3,972,536 | Aug. 03, 1976 | E.C. Wahl, D.J. Warner | Rotating Shaft Seal Assembly | shaft seals | |