Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6393423 | Apparatus and methods for electronic information exchange | — | 2002-05-21 |
| 6101421 | Reset recovery in a microprocessor controlled device | Richard L. Hammon | 2000-08-08 |
| 5841851 | Method of and apparatus for controlling operation of a multi-line telephone apparatus | Thomas Stuart Recht | 1998-11-24 |
| 5764743 | Method of controlling operation of a multi-line telephone apparatus | Thomas Stuart Recht, Michael Henry Pittelkow | 1998-06-09 |
| 5485513 | Circuit and method for automatic memory dialing | Charles J. Malek | 1996-01-16 |
| 5485506 | Method for designating recorded messages | Thomas Stuart Recht, Michael Henry Pittelkow | 1996-01-16 |
| 5185566 | Method and apparatus for detecting the state of charge of a battery | Terrance J. Goedken | 1993-02-09 |
| 5122722 | Battery charging system | Terrance J. Goedken | 1992-06-16 |
| 5121047 | Battery charging system | Terrance J. Goedken | 1992-06-09 |
| 5057762 | System for determining battery charge states and charging sequence for a battery charger | Terrance J. Goedken | 1991-10-15 |