Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D449598 | Automatic answering machine pick-up device | Susan J. Britto, Michael T. Wise | 2001-10-23 |
| 6285759 | Automatic answering pick-up device | Susan J. Britto, Michael T. Wise | 2001-09-04 |
| 6081596 | Automatic answering pick-up device | Susan J. Britto, Michael T. Wise | 2000-06-27 |
| 6016347 | Optical switch for headset | John Magnasco | 2000-01-18 |
| 5930354 | Automatic answering pick-up device | Susan J. Britto, Michael T. Wise | 1999-07-27 |
| 4345847 | Automatic brake sequencing for overhead support arm assemblies | Charles M. Schiff, Ronald E. West | 1982-08-24 |