Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7991150 | Phone-independent key expansion module | Michael S. W. Tovino, Dale C. Tonogai, David B. Rucinski | 2011-08-02 |
| 7940906 | Phone-independent key expansion module | Michael S. W. Tovino, Dale C. Tonogai, David B. Rucinski | 2011-05-10 |