Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| D897285 | Charger | Stephen Walsh, Khoi Hoang, Bryan Brady | 2020-09-29 | |
| 4836875 | Method of making an electrically resistive sheet | Alun L. Buttermore | 1989-06-06 | $11,981,000 |