Number | Name | Date | Kind |
---|---|---|---|
4029056 | Wanson | Jun 1977 | |
4261299 | Marran | Apr 1981 | |
4793800 | Vallett et al. | Dec 1988 | |
4901677 | Demetri | Feb 1990 | |
4938204 | Adams | Jul 1990 |
Entry |
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"A Variety of Design Factors Govern Water Heater Choices", Consulting/Specifying Engineer, Jan. 1991, pp. 48-51. |