Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5402917 | Rotary drum for dispensing flowable material and heating hood thereof | Mathias Kleinhans, Reinhard Froeschke | 1995-04-04 |
| 4816225 | Apparatus for the purification of contaminated sulfur | Krishna S. Mathur | 1989-03-28 |