Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D464635 | Cordless phone and base | George Clement Oyama, John David Swansey, Alan D. Adamson, Robert M. Davidson, Eng Hoe Soon +1 more | 2002-10-22 |
| D461461 | Cordless phone and base | Alan D. Adamson, Robert M. Davidson | 2002-08-13 |