Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4591200 | Lifting wedge | — | 1986-05-27 |
| 4492399 | Lifting harness for lifting of a load consisting of two or more essentially cylindrical objects in an upright position | Mikko Kiema, Lauri S. Porthen | 1985-01-08 |