Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5798921 | Audio storage/reproduction system with automated inventory control | Todd M. Johnson, Wilbur E. Johnson | 1998-08-25 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5798921 | Audio storage/reproduction system with automated inventory control | Todd M. Johnson, Wilbur E. Johnson | 1998-08-25 |