Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5187740 | Method and apparatus for telephone call reorigination | Joe T. Swaim, Donald C. Heckman, Guido M. Eastep | 1993-02-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5187740 | Method and apparatus for telephone call reorigination | Joe T. Swaim, Donald C. Heckman, Guido M. Eastep | 1993-02-16 |