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| All Patents in class 277/385 | |||||
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| Number | Date | Patentee | Title | Type | |
| 276,060 | Apr. 17, 1883 | E. Medden | Packing for journals | pump bearings | |
| 1,764,727 | Jun. 17, 1930 | L.B. Kapp | Lubrication of Bearings | internal combustion engine lubrication | |
| 2,919,939 | Jan. 05, 1960 | H.A. Andresen, R.H. Andresen | High Temperature Shaft Seal | shaft seals | |
| 3,445,119 | May 20, 1969 | L.K. Hanson, R.H. Andresen | Self-Compensating Seal | shaft seals | |
| 4,434,988 | Mar. 06, 1984 | D.J. Warner | Shaft Seal | shaft seals | |