Number | Date | Country | Kind |
---|---|---|---|
63-248096 | Sep 1988 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4157931 | Bricot et al. | Jun 1979 | |
4312823 | Kraakman et al. | Jan 1982 | |
4395211 | Broeksma et al. | Jul 1983 | |
4472124 | Kashihara et al. | Sep 1984 | |
4477328 | Broeksma et al. | Oct 1984 | |
4500484 | Gregg | Feb 1985 | |
4619804 | Leonard et al. | Oct 1986 | |
4788015 | Sakai et al. | Nov 1988 | |
4845000 | Takeoka et al. | Jul 1989 | |
4933123 | Yoshida et al. | Jun 1990 | |
4965118 | Kodera et al. | Oct 1990 |
Number | Date | Country |
---|---|---|
0122141 | Jun 1985 | JPX |
0182532 | Sep 1985 | JPX |
Entry |
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"Why Extrusion will Challenge Injection Molding for Manufacturing Optical Discs", Plastics Tech., 11/87, pp. 13-17. |