Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4731815 | Reset system for telephone answering machine in the event of a power failure | Gerald L. Mock | 1988-03-15 |
| 4672659 | Single tape automatic telephone answering machine | Raymond G. Bond | 1987-06-09 |
| 4626631 | Dual line adapter for telephone answering machine | — | 1986-12-02 |
| 4623758 | Hybrid system for recording voice and data signals | Masroor A. Batla | 1986-11-18 |
| 4598171 | Voice operated telephone answering system | Gerald L. Mock | 1986-07-01 |
| 4596901 | Telephone answering machine with remote control capabilities | Gerald L. Mock | 1986-06-24 |
| 4577063 | Ring delay override for telephone answering system | Gerald L. Mock | 1986-03-18 |
| 4549046 | Telephone answering system with remote control capabilities | Gerald L. Mock | 1985-10-22 |
| 4484036 | Telephone ring detector system | Stephen V. Lyle | 1984-11-20 |
| 4451707 | Ring detector and telephone line monitoring system for telephone answering instrument | — | 1984-05-29 |
| 4400586 | Remote message repeat control for telephone answering system | — | 1983-08-23 |