Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857218 | Lubrication method and compositions for use therein | Kenneth L. Hoy | 1989-08-15 |
| 4855403 | Connected branch copolymers, methods for their production, and copying materials including same | Kenneth L. Hoy | 1989-08-08 |