| Number | Name | Date | Kind |
|---|---|---|---|
| 3350824 | Wiebusch | Nov 1967 | |
| 4584801 | Weinberger | Apr 1986 | |
| 5072554 | Hayman | Dec 1991 | |
| 5344700 | McGath et al. | Sep 1994 | |
| 5412916 | Kennedy et al. | May 1995 | |
| 5813180 | Whitney et al. | Sep 1998 | |
| 6035583 | Papke | Mar 2000 |
| Entry |
|---|
| Publication by Lucent Technologies entitled "Cabinet Enhancement Services", 3 pages. |