| Number | Name | Date | Kind |
|---|---|---|---|
| 4427960 | Wuerfel | Jan 1984 | A |
| 4605292 | Mcintosh | Aug 1986 | A |
| 4830321 | Irie | May 1989 | A |
| 4964830 | Wagner | Oct 1990 | A |
| 5069339 | Hsu | Dec 1991 | A |
| 5179756 | Korsen | Jan 1993 | A |
| 5249336 | Miller | Oct 1993 | A |
| 5433980 | Auld et al. | Jul 1995 | A |
| 5538132 | Propp et al. | Jul 1996 | A |
| 5548904 | Rood | Aug 1996 | A |
| 5680709 | Stone | Oct 1997 | A |
| 5699956 | Brennan | Dec 1997 | A |
| 5903869 | Jacobson et al. | May 1999 | A |
| 5918400 | Schonberger | Jul 1999 | A |
| 5983537 | Johnson | Nov 1999 | A |
| 5992807 | Tarulli | Nov 1999 | A |
| 6170088 | Tate | Jan 2001 | B1 |
| Entry |
|---|
| Miller's Office Products Catalog, p. 483, item H, printed in 1998. |