| Number | Name | Date | Kind |
|---|---|---|---|
| 3766523 | Brocker et al. | Oct 1973 | |
| 3824465 | Blough | Jul 1974 | |
| 3846783 | Apsell et al. | Nov 1974 | |
| 4005388 | Morley et al. | Jan 1977 | |
| 4005428 | Graham | Jan 1977 | |
| 4053717 | Snider | Oct 1977 | |
| 4072825 | McLay et al. | Feb 1978 | |
| 4087638 | Hayes et al. | May 1978 | |
| 4092599 | Yee et al. | May 1978 |
| Entry |
|---|
| Motorola RDS 1000 Control Unit Brochure. |