Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863566 | Process for the preservation of printed cellulosic materials | Michael L. Howe | 1989-09-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863566 | Process for the preservation of printed cellulosic materials | Michael L. Howe | 1989-09-05 |