Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4810197 | Three-dimensional instructional device for teaching physical properties and relationships between basic elements | — | 1989-03-07 |
| 4521303 | Solids separation in a self-circulating magnetically stabilized fluidized bed | Jerry E. Hankins | 1985-06-04 |