Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5116685 | Magnetic recording medium comprising a polyester polyurethane polymer and a small percentage of a low molecular weight polyol | Dennis W. Karle, Frederic J. Sischka, II | 1992-05-26 |
| 4822637 | Fabrication of magnetic recording medium with lubricant | Ross P. Clark | 1989-04-18 |
| 4686146 | Radiation-cured recording composition with bi-part lube | Dennis W. Karle, Zie A. Payne, Ross P. Clark | 1987-08-11 |
| 4659627 | Magnetic recording medium with lubricant | Ross P. Clark | 1987-04-21 |