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| 2961668 | Hayes | Nov 1960 | |
| 3189919 | Chase | Jun 1965 | |
| 3911497 | Lewis, Jr. et al. | Oct 1975 | |
| 4120052 | Butler | Oct 1978 | |
| 4393520 | Koch | Jul 1983 | |
| 4756026 | Pierce, Jr. | Jul 1988 | |
| 4769854 | Williams | Sep 1988 | |
| 4926501 | Goosen | May 1990 | |
| 5133085 | de Pasquale Amicarelli et al. | Jul 1992 | |
| 5143762 | Ho | Sep 1992 | |
| 5170503 | Hightower, Jr. et al. | Dec 1992 | |
| 5173967 | Carter | Dec 1992 | |
| 5239717 | Sue | Aug 1993 |