Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5686133 | Water soluble pharmaceutical coating and method for producing coated pharmaceuticals | John R. Crison | 1997-11-11 |
| 5674530 | Method for making a multi-stage drug delivery system | John R. Crison | 1997-10-07 |