Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4683167 | Magnetic iron oxide pigment and recording media | Gary D. Rexroat | 1987-07-28 |
| 4318734 | Reduction of iron oxide utilizing dehydrating agent | Irving W. Wolf, Yu-Che Lee | 1982-03-09 |
| 4316738 | Economical process for producing metal particles for magnetic recording | Irving W. Wolf, Michael K. Stafford, Hillard M. Kahan, William F. Acebo, Yu-Che Lee | 1982-02-23 |
| 4268540 | Particles for magnetic recording | Irving W. Wolf, Yu-Che Lee | 1981-05-19 |