Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5661644 | Converter circuit, circuitry having at least one switching device and circuit module | Bo Bijlenga, Willy Hermansson, Lennart Zdansky | 1997-08-26 |
| 5163686 | Practice mat for golfers | — | 1992-11-17 |