Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5525122 | Process and apparatus for shrinking prepared bonded fiber color printed cellulosic type currency with anhydrous ammonia | Ira Brown | 1996-06-11 |
| 5330620 | Bleaching pulp with chloric acid | Richard Berry, Michael Paleologou | 1994-07-19 |
| 4804440 | Multistage brightening of high yield and ultra high-yield wood pulps | Cyril Heitner | 1989-02-14 |