Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4805209 | Coordinated transfer of voice and information through a digital switch | William T. Baker, Jr., Charles M. Buffum, Gregg Kerlin | 1989-02-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4805209 | Coordinated transfer of voice and information through a digital switch | William T. Baker, Jr., Charles M. Buffum, Gregg Kerlin | 1989-02-14 |