Number | Name | Date | Kind |
---|---|---|---|
2153175 | Duffy et al. | Apr 1939 | |
2533104 | Golden et al. | Dec 1950 | |
3101774 | Brevard | Aug 1963 | |
3269449 | Witten, Jr. | Aug 1966 | |
3701340 | Miller | Oct 1972 | |
4149673 | Hapgood | Apr 1979 | |
4222350 | Pompei et al. | Sep 1980 | |
4366778 | Charrier et al. | Jan 1983 | |
4502626 | Gerstmann et al. | Mar 1985 | |
4679528 | Krans et al. | Jul 1987 |
Entry |
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Sales brochure for Boston Gas Products, Inc., located at One Beacon St., Boston, Mass. 02108, Copyrighted in 1980. Diagram of Model BGP-103, Col. 2, paragraph 2 of the text. |