Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6307133 | Drumhead dampening device | James H. May, Christopher Whittington | 2001-10-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6307133 | Drumhead dampening device | James H. May, Christopher Whittington | 2001-10-23 |