Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5680443 | Smart messages and smart macros for telecommunications relay service (TRS) and operator services for deaf (OSD) | Leonard R. Kasday, Stephen John Lomax, William Lawrence Millios, David Eugene Schulz | 1997-10-21 |