Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4944998 | Charge dissipative floor tiles | Kenneth K. Ko, Jesse D. Miller, Susan M. Von Stetten | 1990-07-31 |
| 4826912 | Charge dissipative floor tiles | Kenneth K. Ko, Jesse D. Miller, Susan M. Von Stetten | 1989-05-02 |