Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5701099 | Transconductor-C filter element with coarse and fine adjustment | — | 1997-12-23 |
| 5671249 | Inter-repeater backplane with synchronous/asynchronous dual mode operation | Ralph Andersson, Joseph E. Heideman, David T. Chan | 1997-09-23 |
| 5666129 | Electrical display elements for displaying multiple different conditions | Stefan Wurster, Ralph Andersson | 1997-09-09 |