Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6080925 | Calculator for guitar scales | John B. Rogers | 2000-06-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6080925 | Calculator for guitar scales | John B. Rogers | 2000-06-27 |