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