Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885980 | Hydrodynamic bearing | Roelf J. Meijer | 1989-12-12 |
| 4836094 | Yieldably mounted lubricant control assemblies for piston rods | Roelf J. Meijer | 1989-06-06 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885980 | Hydrodynamic bearing | Roelf J. Meijer | 1989-12-12 |
| 4836094 | Yieldably mounted lubricant control assemblies for piston rods | Roelf J. Meijer | 1989-06-06 |