Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4722753 | Alkaline resistant phosphate conversion coatings | John Huff | 1988-02-02 |
| 4713121 | Alkaline resistant phosphate conversion coatings | John Huff | 1987-12-15 |
| 4681641 | Alkaline resistant phosphate conversion coatings | John Huff | 1987-07-21 |
| 4596607 | Alkaline resistant manganese-nickel-zinc phosphate conversion coatings and method of application | John Huff | 1986-06-24 |