Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4353647 | Apparatus for exposing and conveying photosensitive plates | Robert E. Harrell, Harold E. Coons, Jr. | 1982-10-12 |
| 4334755 | Apparatus and method for processing lithographic plates | Robert E. Harrell, Edward H. Parker | 1982-06-15 |