Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8592213 | Marking fuel for authentication using quantitative and binary markers | Erwin Dorland | 2013-11-26 |
| 5776713 | Marking of products to establish identity and source | Ronald Colin Garner, David Phillips, Frank G. Angella, Erwin Dorland, Martin W. Stow | 1998-07-07 |