Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5128982 | "Electronic apparatus for ""Hands off"" control of a voice mail system" | J. Carl Vandivier, III, Larry G. Durkos | 1992-07-07 |
| 5048074 | "Electronic apparatus for ""hands off"" control of a voice mail system" | — | 1991-09-10 |