Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4961959 | Quaternary ammonium salt of an alkoxysilane as a dispersant for magnetic pigment | Gary A. Vincent, Harold L. Vincent | 1990-10-09 |
| 4929376 | Quaternary ammonium salt of an alkoxysilane as a dispersant for magnetic pigment | Gary A. Vincent, Harold L. Vincent | 1990-05-29 |
| 4830896 | Method of stabilizing magnetic metal pigment | Harold L. Vincent | 1989-05-16 |
| 4780148 | Stabilized magnetic metal pigment | Harold L. Vincent | 1988-10-25 |
| 4640790 | Dispersant composition for magnetic media | David J. Kimball | 1987-02-03 |