Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D387063 | Telephone key expansion unit | Stefan Hillenmayer, Wayne E. McKinnon, David E. Bryant, Mary E. Kingsbury, Erich C. Elkins +1 more | 1997-12-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D387063 | Telephone key expansion unit | Stefan Hillenmayer, Wayne E. McKinnon, David E. Bryant, Mary E. Kingsbury, Erich C. Elkins +1 more | 1997-12-02 |