Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5972471 | Decorative coating with textured pattern | Ronald J. Lewarchik, Douglas Allen Stumpfl, David K. Black | 1999-10-26 |
| 5858506 | Decorative coating with textured pattern | Ronald J. Lewarchik, Douglas Allen Stumpfl, David K. Black | 1999-01-12 |
| 5516549 | Method of applying a striated coating | Ronald J. Lewarchik, Douglas Allen Stumpfl, David K. Black | 1996-05-14 |
| 4835018 | Abrasion and corrosion resistant primer coatings | Clark A. Higginbotham, John Smyrniotis | 1989-05-30 |
| 4720403 | Anticorrosive coating compositions | Ronald J. Lewarchik, John Smyrniotis | 1988-01-19 |
| 4312800 | Anodic electrocoating of aluminum to obtain improved corrosion resistance | James Wichmann | 1982-01-26 |