Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6801396 | Substrate independent superpolishing process and slurry | Brent R. Den Hartog, Dennis L. Fox, James A. Hagan, Kannimangalam Venkatasubramanyam Viswanathan | 2004-10-05 |
| 6236542 | Substrate independent superpolishing process and slurry | Brent Ray Den Hartog, Dennis L. Fox, James A. Hagan, Kannimangalam Venkatasubramanyam Viswanathan | 2001-05-22 |
| 5049410 | Lubricant film for a thin-film disk | Ajay Johary, Bruce E. Kennedy, James J. Mayerle | 1991-09-17 |
| 4830909 | Scratch resistant recording materials for electroerosion printing comprising cross-linked polymer base layer | Mitchell S. Cohen, Krishna G. Sachdev, Keith S. Pennington | 1989-05-16 |
| 4596739 | Rigid magnetic recording media | Douglas Howard Piltingsrud | 1986-06-24 |
| 4567096 | Hydrated alumina binder system | Douglas Howard Piltingsrud | 1986-01-28 |
| 4536451 | Rigid magnetic recording media coating composition | — | 1985-08-20 |
| 4466218 | Fixed abrasive polishing media | John C. Ottman | 1984-08-21 |
| 4459779 | Fixed abrasive grinding media | — | 1984-07-17 |
| 4393628 | Fixed abrasive polishing method and apparatus | John C. Ottman | 1983-07-19 |