Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5682126 | Ladder saw filter contained in a single acoustic track | Viktor Plesski, Serguei Kondratiev | 1997-10-28 |
| 5646584 | Saw filter including electrodes of opposing polarity | Sergei N. Kondratyev, Victor Plessky, Clinton S. Hartmann, David P. Morgan | 1997-07-08 |