Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8999076 | Trichrome passivates for treating galvanized steel | David R. McCormick | 2015-04-07 |
| 8309177 | Method for treatment of chemically passivated galvanized surfaces to improve paint adhesion | — | 2012-11-13 |
| 5238506 | Phosphate coating composition and method of applying a zinc-nickel-manganese phosphate coating | Harry R. Charles | 1993-08-24 |
| 4941930 | Phosphate coating composition and method of applying a zinc-nickel phosphate coating | Harry R. Charles, Donald L. Miles | 1990-07-17 |
| 4828615 | Process and composition for sealing a conversion coated surface with a solution containing vanadium | — | 1989-05-09 |
| 4793867 | Phosphate coating composition and method of applying a zinc-nickel phosphate coating | Harry R. Charles, Donald L. Miles | 1988-12-27 |