Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5970783 | Pulp chip fissure test device and method for estimating screened pulp yield | Benjamin Levie, Gevan R. Marrs | 1999-10-26 |
| 5368168 | Bar screen with bars of staggered height | Gevan R. Marrs | 1994-11-29 |