Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6610981 | Method and apparatus for near-infrared sorting of recycled plastic waste | — | 2003-08-26 |
| 6519315 | High speed materials sorting using x-ray fluorescence | Robert H. Parrish, David B. Spencer, Charles E. Roos | 2003-02-11 |