Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6743971 | Electronic musical keyboard operated by foot for amusement and exercise | — | 2004-06-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6743971 | Electronic musical keyboard operated by foot for amusement and exercise | — | 2004-06-01 |