Number | Name | Date | Kind |
---|---|---|---|
4653666 | Mertens | Mar 1987 | |
4770320 | Miles et al. | Sep 1988 | |
4781306 | Smith | Nov 1988 | |
5080254 | Feer | Jan 1992 | |
5086946 | Blackwell et al. | Feb 1992 | |
5158205 | Bodziak et al. | Oct 1992 | |
5397117 | Mertens | Mar 1995 | |
5411168 | Mertens et al. | May 1995 |
Number | Date | Country |
---|---|---|
3323186A1 | Jan 1985 | DEX |
Entry |
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U.S. patent application Ser. No. 08/263,601 filed Jun. 21, 1994. |