Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869699 | Flying disk with centrifugally activated sound generator | Eric D. Plambeck, Thomas Walker | 1989-09-26 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869699 | Flying disk with centrifugally activated sound generator | Eric D. Plambeck, Thomas Walker | 1989-09-26 |