Number | Date | Country | Kind |
---|---|---|---|
4-358511 | Dec 1992 | JPX | |
5-262427 | Oct 1993 | JPX | |
5-262652 | Oct 1993 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3808133 | Brown | Apr 1974 | |
4534871 | Johnson | Aug 1985 | |
5137376 | Gutsche et al. | Aug 1992 |
Number | Date | Country |
---|---|---|
61-6429 | Jan 1986 | JPX |
64-46011 | Feb 1989 | JPX |
1-93623 | Apr 1989 | JPX |
Entry |
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Patent Abstracts of Japan, vol. 13, No. 300; 11 Jul. 1989; p. 148 and JP 01-093623 A (Koyo Seiko) 12 Apr. 1989 (see abstract). |