Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882676 | Method and apparatus for rating billiard shots and displaying optimal paths | Franz Van de Kop | 1989-11-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882676 | Method and apparatus for rating billiard shots and displaying optimal paths | Franz Van de Kop | 1989-11-21 |