Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8394175 | Carbon membranes from cellulose esters | Edel Sheridan, Tone Borge, May-Britt Hagg | 2013-03-12 |
| 7947114 | Carbon membranes | May-Britt Hagg | 2011-05-24 |
| 4916953 | Device for measuring the movement of a motor vehicle | — | 1990-04-17 |
| 4730285 | Individual parking meter | — | 1988-03-08 |