Issued Patents 1997
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5646099 | Automatic transmission fluids of improved viscometric properties | Ricardo Bloch | 1997-07-08 |
| 5641732 | Automatic transmission fluids of improved viscometric properties | Ricardo A. Bloch, Christopher Cornish | 1997-06-24 |
| 5641733 | Automatic transmission fluids of improved viscometric properties | Ricardo Bloch, Christopher Cornish | 1997-06-24 |
| 5635460 | Increasing the friction durability of power transmission fluids through the use of oil soluble competing additives | Ricardo Bloch, Roger K. Nibert, Jack Ryer | 1997-06-03 |
| 5601747 | Increasing the friction durability of power transmission fluids through the use of oil soluble competing additives (PTF-054C) | Roger K. Nibert, Ricardo Bloch, Jack Ryer | 1997-02-11 |
| 5597506 | Increasing the friction durability of power transmission fluids through the use of oil soluble competing additives | Ricardo Bloch, Roger K. Nibert, Jack Ryer | 1997-01-28 |