Number | Name | Date | Kind |
---|---|---|---|
2705292 | Wagenseil | May 1955 | |
3960803 | Smith et al. | Jun 1976 | |
4013987 | Foster | Mar 1977 | |
4105984 | Smith et al. | Aug 1978 | |
4112183 | Smith | Sep 1978 | |
4399190 | Iwabuchi et al. | Aug 1983 | |
4487996 | Rabinowitz et al. | Dec 1984 | |
4540967 | Chitose | Sep 1985 | |
4803096 | Kuhn et al. | Feb 1989 | |
4877646 | Kuhn et al. | Oct 1989 | |
4935302 | Hjortsberg et al. | Jun 1990 | |
4975317 | Kuhn et al. | Dec 1990 | |
4981718 | Kuhn et al. | Jan 1991 | |
5108829 | Kuhn | Apr 1992 | |
5162135 | Gregory et al. | Nov 1992 |
Number | Date | Country |
---|---|---|
2755050 | Jun 1979 | DEX |
3102849 | Aug 1982 | DEX |
Entry |
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Patent Abstracts of Japan, vol. 13, No. 333 (E-794) 26 Jul. 1989, Abstract of JP-A-01-097148 (Toshiba) 14 Apr. 1989. |