Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9051831 | Expandable mine bolt | Hakan Krekula | 2015-06-09 |
| 6131275 | Methods and devices relating to circuit board constructions | Otto Johnsson | 2000-10-17 |
| 5727936 | Rotary displacement compressor with liquid circulation system | Karlis Timuska | 1998-03-17 |
| 4922732 | Evaporator system for refrigeration systems | — | 1990-05-08 |
| 4227647 | Device for cooling chimney gases | — | 1980-10-14 |