Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D571776 | Speakerphone | Anthony Martin Duys, John O. Hansen, Brad Philip Collins, Crispian Tompkin | 2008-06-24 |
| D413119 | Cordless telephone | Noel H. Schnell, III, David E. Bryant, Philip Leveridge, Randall Decker | 1999-08-24 |