Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5597235 | Twin screw extruder for processing elastomeric compositions | Jonathan A. Johnston | 1997-01-28 |
| 5374387 | Process for processing elastomeric compositions | Jonathan A. Johnston | 1994-12-20 |