Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5733783 | Method for sampling and determining the presence of contaminants in recyclable plastic materials | David H. Fine, Freeman W. Fraim, Stephen J. MacDonald, Alex Malaspina, Forrest Lee Bayer | 1998-03-31 |