Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4822503 | Method of manufacturing an improved multi-grade lubricating grease | James Norton, William Nywening, Phillip W. Brewster | 1989-04-18 |
| 4822505 | Load-carrying grease | — | 1989-04-18 |