Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5149398 | Apparatus for producing a fast dissolving granular product | John H. Shaffer, John H. Hubbard | 1992-09-22 |
| 5085847 | Apparatus for producing a fast dissolving granular product | John H. Shaffer | 1992-02-04 |