Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4994760 | Apparatus and method for combining output signals from parallelly coupled power field effect transistors in high frequency amplifiers | — | 1991-02-19 |
| 4899116 | Apparatus and method for paralleling power field effect transistors in high frequency amplifiers | Helge O. Granberg | 1990-02-06 |
| 4733194 | Apparatus and method for paralleling power field effect transistors in high frequency amplifiers | Helge O. Granberg | 1988-03-22 |