Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5739723 | Linear power amplifier using active bias for high efficiency and method thereof | Bernard Eugene Sigmon | 1998-04-14 |
| 4508506 | Process and apparatus for the preparation of dental models | — | 1985-04-02 |
| 4459110 | Dowel pin locator assembly and method of making positive dental models with removable dies | — | 1984-07-10 |