Issued Patents All Time
Showing 76–79 of 79 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863565 | Sheeted products formed from reticulated microbial cellulose | Donald C. Johnson | 1989-09-05 |
| 4861427 | Bacterial cellulose as surface treatment for fibrous web | Donald C. Johnson, Henry A. LeBlanc | 1989-08-29 |
| 4554155 | Controlled release compositions | George G. Allan | 1985-11-19 |
| 4193671 | Identifying means for polymeric contact lenses | Charles E. Erickson | 1980-03-18 |