| Number | Name | Date | Kind |
|---|---|---|---|
| 4872005 | De Luca et al | Oct 1989 | |
| 4885577 | Nelson | Dec 1989 | |
| 5283818 | Klausner et al. | Feb 1994 | |
| 5355126 | Nelson et al. | Oct 1994 | |
| 5412719 | Hamamoto et al. | May 1995 | |
| 5572576 | Klausner et al. | Nov 1996 | |
| 5654942 | Akahane | Aug 1997 | |
| 5697060 | Akahane | Dec 1997 |
| Entry |
|---|
| Voice Memory Pager Brochure, Copyright 1990, Motorola, Inc., 4 pgs. |