Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8083919 | Membrane electrode assemblies and electropaint systems incorporating same | H. Frederick Hess, Jr., H. Frederick Hess, III, James E. Rittel, Jr. | 2011-12-27 |
| 7897021 | Membrane electrode assemblies and electropaint systems incorporating same | H. Frederick Hess, Jr., James E. Rittel, Jr., H. Frederick Hess, III | 2011-03-01 |
| 7422673 | Membrane electrode assemblies and electropaint systems incorporating same | H. Frederick Hess, Jr., H. Frederick Hess, III, James E. Rittel, Jr. | 2008-09-09 |