| Number | Name | Date | Kind |
|---|---|---|---|
| D320624 | Taylor | Oct 1991 | |
| D333686 | Barr et al. | Mar 1993 | |
| D350992 | Barr | Sep 1994 | |
| D362692 | Rissman et al. | Sep 1995 | |
| D380501 | Osterhout et al. | Jul 1997 | |
| D394461 | Liu | May 1998 | |
| D399882 | Bagley et al. | Oct 1998 | |
| D399883 | Jensen | Oct 1998 | |
| D399906 | Chi et al. | Oct 1998 | |
| D403362 | Fai | Dec 1998 | |
| 4568080 | Yokoi | Feb 1986 | |
| 4969647 | Mical et al. | Nov 1990 | |
| 4976429 | Nagel | Dec 1990 | |
| 5184830 | Okada et al. | Feb 1993 | |
| 5217295 | Tortola et al. | Jun 1993 | |
| 5232223 | Osterhout et al. | Aug 1993 |
| Entry |
|---|
| Hong Kong Enterprise, p. 324, Oct. 1996. |
| Hong Kong Enterprise, pp. 130 and 133, Dated: Oct. 1994. |