Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6570994 | Field layer speaker for consumer products | Charles W. Berthoud, Bradley M. Feick | 2003-05-27 |
| 6560466 | Auditory feedback control through user detection | — | 2003-05-06 |
| 6490434 | Systems and methods for completing diagnostic tests on rechargeable devices using cradle contacts | Jeffrey P. Grundvig, Richard L. McDowell, Philip D. Mooney | 2002-12-03 |
| 6339643 | Telephone disable feature | Angelo R. Mastrocola, John P. Veschi | 2002-01-15 |