Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10907225 | Binding process for pyrophoric steelmaking byproducts | Charles M. Steele, James F. Falter, Zane T. Voss | 2021-02-02 |
| 6206947 | Process for making an animal litter comprising gypsum, aluminum sulfate and urea | Donald Evans, Malcolm Edward Sumner | 2001-03-27 |
| D435159 | Model of ancient tomb | Kim Steele | 2000-12-12 |
| 6029603 | Animal litter comprising gypsum and aluminum sulfate and processes of making same | Donald Evans, Malcolm Edward Sumner | 2000-02-29 |
| 5983911 | Device to assist a person to sit and stand while maintaining their balance | — | 1999-11-16 |