Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D255464 | Electronic chess game board | Rod Barclay, John A. Cunningham, Alan B. Mead | 1980-06-17 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D255464 | Electronic chess game board | Rod Barclay, John A. Cunningham, Alan B. Mead | 1980-06-17 |