Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5138650 | Cordless telephone with internal debit and credit memory | John I. Stahl, David L. Brown, David R. Heeschen, Robert L. Breeden, Richard E. Bessom +1 more | 1992-08-11 |