Issued Patents All Time
Showing 51–55 of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D482519 | Flute case | Mark S. Izen, William D. Hester | 2003-11-25 |
| D482520 | Clarinet case | Mark S. Izen, William D. Hester | 2003-11-25 |
| D475081 | Headstock | Mark S. Izen, Alexander Webb | 2003-05-27 |
| D473598 | Wooden kazoo | Mark S. Izen | 2003-04-22 |
| D473259 | Tambourine stick | Mark S. Izen, Alexander Webb | 2003-04-15 |