Number | Name | Date | Kind |
---|---|---|---|
D248543 | Strelcheck | Jul 1978 | |
D256727 | Borg et al. | Sep 1980 | |
D277518 | Eggett | Feb 1985 | |
D287105 | Osterhout | Dec 1986 | |
D311331 | Diba et al. | Oct 1990 | |
4691820 | Martinez | Sep 1987 | |
4852594 | Chen | Aug 1989 | |
4942959 | Sauber et al. | Jul 1990 |