Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861772 | Method and composition to treat panic syndrome | — | 1989-08-29 |
| 4826361 | Conveying device for transportation of flowable materials | — | 1989-05-02 |
| 4812085 | Conduit for transporting finely-divided or fine-granular, dry bulk materials and a process for operation of same | — | 1989-03-14 |