Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4808433 | Treatment of archival material | Christopher C. Mollett, Christine E. Butler | 1989-02-28 |
| 4724158 | Treatment of archival material | Christopher C. Mollett, Christine E. Butler | 1988-02-09 |