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4897630 | Nykerk | Jan 1990 | A |
5173881 | Sindle | Dec 1992 | A |
5552767 | Toman | Sep 1996 | A |
5555876 | Francisco et al. | Sep 1996 | A |
5825304 | Marin | Oct 1998 | A |
6114950 | Schaible et al. | Sep 2000 | A |
6150956 | Laufer | Nov 2000 | A |
6157891 | Lin | Dec 2000 | A |
6276407 | Corfitsen | Aug 2001 | B1 |
6462663 | Wilson et al. | Oct 2002 | B1 |
Entry |
---|
McCarthy, Electronic fire guard, Derwent, IE 80484B3, Aug. 12, 1998, see entire document. |