Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7368649 | Method and device for adjusting cymbal sound | — | 2008-05-06 |
| D261243 | Water sensing alarm | Ronald Buttner, Alton K. Allen | 1981-10-13 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7368649 | Method and device for adjusting cymbal sound | — | 2008-05-06 |
| D261243 | Water sensing alarm | Ronald Buttner, Alton K. Allen | 1981-10-13 |