Number | Date | Country | Kind |
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91 02827 | Mar 1991 | FRX |
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3486808 | Hamblen | Dec 1969 | |
3718383 | Moore | Feb 1973 | |
3916033 | Merrill | Oct 1975 | |
4153349 | Wichterle | May 1979 | |
4208362 | Deichert et al. | Jun 1980 | |
4978481 | Janssen et al. | Dec 1990 | |
5075106 | Goldenberg | Dec 1991 |
Number | Date | Country |
---|---|---|
0109586 | May 1984 | EPX |
59-152406 | Aug 1984 | JPX |
Entry |
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Patent Abstracts of Japan vol. 10, No. 22 (P-424) Jan. 28, 1986 JP-A-60 175 009 (Nihon Ita Glass et Alia) Sep. 9, 1985. |