Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4957650 | Lubricating oil composition containing dual additive combination for low temperature viscosity improvement | Albert Rossi, Robert D. Tack | 1990-09-18 | $96,465,000 |
| 4826615 | Lubricating oil composition containing dual additive combination for low temperature viscosity improvement (PTF-004) | Albert Rossi, Robert D. Tack | 1989-05-02 | $34,567,000 |