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| US4345232 | 12 Dec 1980 | 17 Aug 1982 | Westinghouse Electric Corp. | Non-metallic core band |
| US4438421 | 24 Sep 1982 | 20 Mar 1984 | The Bendix Corporation | Mounting bracket for a transformer |
| US5015983 | 18 Jun 1990 | 14 May 1991 | General Electric Company | Compact circuit interrupter having multiple ampere ratings |