Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4878350 | Pulsation dampening device for super critical fluid expansion engine, hydraulic engine or pump in cryogenic service | — | 1989-11-07 |
LN
Leif A. Ness
Overall (1989): #83,801 of 140,708Top 60%
1
Patents 1989