Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D332096 | Remote selector unit for jukeboxes | Douglas F. Wolff, Joel M. Friedman | 1992-12-29 |
| D312639 | Jukebox for compact disks | Merrill Krakauer, Douglas F. Wolff | 1990-12-04 |