Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4501201 | Removable tray for microphone stands | Marcel Fitzner | 1985-02-26 |
| D276043 | Microphone stand detachable tray or the like | Marcel Fitzner | 1984-10-23 |
| 4383487 | Removable tray for microphone stands | Marcel Fitzner | 1983-05-17 |