Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5185041 | Machine for washing plastic fragments to prepare them for recycling | Robert M. Anderson, John E. Vining, Sr. | 1993-02-09 |
| 5180437 | Machine for washing plastic fragments to prepare them for recycling | Robert M. Anderson, John E. Vining, Sr. | 1993-01-19 |