Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4491567 | Manufacture of hydroxylammonium salts | Gunther Rapp, deceased, Erwin Thomas, Brodus E. Caffall, Philip A. Cyr, Thomas M. Jones | 1985-01-01 |
| 4438084 | Manufacture of hydroxylammonium salts | Guenther Rapp, Erwin Thomas | 1984-03-20 |