Number | Name | Date | Kind |
---|---|---|---|
3653399 | Steele | Apr 1972 | |
4346611 | Welker | Aug 1982 | |
4387592 | Welker | Jun 1983 | |
4594904 | Richter | Jun 1986 | |
4631967 | Welker | Dec 1986 | |
5224510 | Pericles | Jul 1993 | |
5520211 | Schonstein et al. | May 1996 |
Entry |
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GO, Inc. Bulletin 106-5 "HPR-2 Series Heated Adjustable Pressure Regulator", undated, pp. 1-4. |