Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10035722 | Apparatus and method for production of foamed glass and a foamed glass material | Finn Erik Solvang | 2018-07-31 |
| 4499348 | Magnetic float controlled electric switch | Jan E. Gismervik | 1985-02-12 |
| 4357892 | Apparatus for warning of the increase in draught of a floating article, especially a small boat, in a surrounding liquid | Jan E. Gismervik | 1982-11-09 |