Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872938 | Processing apparatus | Cecil J. Davis, Robert T. Matthews, Randall C. Hildenbrand, Bruce Simpson, John I. Jones +2 more | 1989-10-10 |
| 4836905 | Processing apparatus | Cecil J. Davis, Robert T. Matthews, Randall C. Hildenbrand, Bruce Simpson, James G. Bohlman +2 more | 1989-06-06 |