Number | Name | Date | Kind |
---|---|---|---|
3176021 | Volungis et al. | Mar 1965 | |
3753769 | Steiner | Aug 1973 | |
4225644 | Tsuchiya et al. | Sep 1980 | |
4302506 | Heberger | Nov 1981 | |
4419410 | Weiner | Dec 1983 | |
4419411 | Park | Dec 1983 | |
4486483 | Caines | Dec 1984 | |
4533509 | Gust et al. | Aug 1985 | |
4578316 | Clauson et al. | Mar 1986 | |
4618527 | Doyen | Oct 1986 | |
4956233 | Chu et al. | Sep 1990 |
Entry |
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Allowed Mobil applications Ser. No. 07/772,646, filed Oct. 9, 1991, and Ser. No. 07/676,020, filed Mar. 27, 1991, and copending application Ser. No. 813,168, filed Dec. 24, 1991. |