Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5932830 | Method for rocket launching | Per Herbert Kristensen, Bj.o slashed.rn R. Lien, Einar Johannessen | 1999-08-03 |
| 5918306 | Ship and floatable platform for rocket assembly and launching | Per Herbert Kristensen, Bj.o slashed.rn R. Lien, Bj.o slashed.rn Kindem | 1999-06-29 |
| 5908999 | Floatable platform rocket launcher | Per Herbert Kristensen, Bj.o slashed.rn R. Lien, Egil Th.o slashed.mt | 1999-06-01 |
| 5906171 | Floating runway | Per Herbert Kristensen | 1999-05-25 |