Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D260257 | Combined phonograph, tape player and lighting cabinet | George P. Roegner, Richard Hawley, Howard Steen | 1981-08-18 |
| 4250537 | Discotheque simulating home entertainment system | George P. Roegner, Richard Hawley, Howard Steen | 1981-02-10 |