Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5203975 | Process for cathodic electrodeposition of a clear coating over a conductive paint layer | — | 1993-04-20 |
| 5178736 | Light colored conductive electrocoat paint | — | 1993-01-12 |
| 5104583 | Light colored conductive electrocoat paint | — | 1992-04-14 |
| 4696377 | Brake system for drawworks | Norbert Brehm, Larry G. Null | 1987-09-29 |
| 4545017 | Well drilling apparatus or the like with position monitoring system | — | 1985-10-01 |