Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9359482 | Methods for reducing contamination in plastics recovered from durable goods | Brian L. Riise, Michael B. Biddle | 2016-06-07 |
| 8450382 | Compositions of material containing recycled plastics | Brian L. Riise, Laurence E. Allen, III, Michael B. Biddle | 2013-05-28 |
| 8056728 | Methods, systems, and devices for separating materials using magnetic and frictional properties | Brian L. Riise, Hyung-Gil Baek, Pedro Alejandro Perez-Rodriguez | 2011-11-15 |
| 7884140 | Compositions of materials containing recycled plastics | Brian L. Riise, Laurence E. Allen, III, Michael B. Biddle | 2011-02-08 |
| 7802685 | Multistep separation of plastics | Laurence E. Allen, III, Brian L. Riise, Paul C. Allen, Michael B. Biddle | 2010-09-28 |