Number | Name | Date | Kind |
---|---|---|---|
3749911 | Hoover et al. | Jul 1973 | |
3936639 | Barrett | Feb 1976 | |
4465540 | Albert | Aug 1984 | |
4672207 | Derenzo | Jul 1987 |
Number | Date | Country |
---|---|---|
214288 | Oct 1985 | JPX |
Entry |
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