Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6004894 | Reflective porcelain enamel coating compositions | Holger F. Evele | 1999-12-21 |
| 5998037 | Porcelain enamel composition for electronic applications | Srinivasan Sridharan, Gordon J. Roberts | 1999-12-07 |
| 5002903 | Porcelain enameled metal substrates | Chung-Hwan Lim | 1991-03-26 |
| 4882301 | Decorative and protective borders for automobile side and rear lights | James Gettys, Gordon H. Johnson, Temel Demiray | 1989-11-21 |