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| All Patents of Type: pump stuffing boxes and seals | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,765,629 | Jun. 24, 1930 | F.D. Stanley | Stuffing Box | pump stuffing boxes and seals | |
| 1,798,158 | Mar. 31, 1931 | W.H. Hazard | Stuffing Box | pump stuffing boxes and seals | |
| 2,156,161 | Apr. 25, 1939 | R.H. Owens | Sealing device | pump stuffing boxes and seals | |
| 2,733,682 | Feb. 07, 1956 | R.R. Langteau | Pump Shaft Indexing Means | pump stuffing boxes and seals | |