Number | Date | Country | Kind |
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8730010 | Dec 1987 | GBX | |
8913823 | Jun 1989 | GBX |
This application is a continuation-in-part of U.S. Ser. No. 288,049 filed Dec. 21, 1988, now U.S. Pat. No. 4,954,339.
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3780171 | Irmscher et al. | Dec 1973 | |
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4198395 | De Simone | Apr 1980 | |
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Entry |
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Number | Date | Country | |
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Parent | 288049 | Dec 1988 |