Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6640210 | Customer service operation using wav files | Frederick Anthony Schaefer | 2003-10-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6640210 | Customer service operation using wav files | Frederick Anthony Schaefer | 2003-10-28 |