Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6068981 | Marking of orally ingested products | James H. Rittenburg, Michael Pappas | 2000-05-30 |
| 5776713 | Marking of products to establish identity and source | Ronald Colin Garner, David Phillips, Timothy G. Wilkinson, Erwin Dorland, Martin W. Stow | 1998-07-07 |