Number | Name | Date | Kind |
---|---|---|---|
3643137 | Ono et al. | Feb 1972 | |
3659160 | Sloan, Jr. et al. | Apr 1972 | |
3785886 | Castrucci et al. | Jan 1974 | |
3798513 | Ono | Mar 1974 | |
4662059 | Smeltzer et al. | May 1987 |
Number | Date | Country |
---|---|---|
0128469 | May 1989 | JPX |
Entry |
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