Number | Name | Date | Kind |
---|---|---|---|
3765403 | Brenden | Oct 1973 | |
3936791 | Kossoff | Feb 1976 | |
4062237 | Fox | Dec 1977 | |
4167180 | Kossoff | Sep 1979 |
Number | Date | Country |
---|---|---|
2919995 | Nov 1979 | DEX |
Entry |
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Dick, D. et al., "High Resolution Rotating Head UTS Scanner", Intnl. Int. Publ. No.: WOX80/00193 (PCT), Feb. 7, 1980. |