Number | Date | Country | Kind |
---|---|---|---|
93/3716 | May 1993 | ZAX |
Number | Name | Date | Kind |
---|---|---|---|
3136615 | Bovenkerk et al. | Jun 1964 | |
3233988 | Wentorf, Jr. et al. | Feb 1966 | |
3743489 | Wentorf, Jr. | Jul 1973 | |
3745623 | Wentorf, Jr. et al. | Jul 1973 | |
3767371 | Wentorf, Jr. et al. | Oct 1973 | |
4247304 | Morelock | Jan 1981 | |
4311490 | Bovenkerk et al. | Jan 1982 | |
4505746 | Nakai et al. | Mar 1985 | |
4604106 | Hall et al. | Aug 1986 | |
4647546 | Hall, Jr. et al. | Mar 1987 | |
4861350 | Phaal et al. | Aug 1989 | |
5010043 | Ringwood | Apr 1991 | |
5011514 | Cho et al. | Apr 1991 | |
5200372 | Kuroyama et al. | Apr 1993 |
Entry |
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Patent Abstracts of Japan, vol. 9, No. 174 (M-399) Jul. 1985 and JP-A-60 048 260 (Fuji Die K.K.) 15 Mar. 1985. |