Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4499348 | Magnetic float controlled electric switch | Gunnar Sveinsbo | 1985-02-12 |
| 4357892 | Apparatus for warning of the increase in draught of a floating article, especially a small boat, in a surrounding liquid | Gunnar Sveinsbo | 1982-11-09 |