Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5875479 | Method and means for making a dual volume level copy in a DASD storage subsystem subject to updating during the copy interval | Lawrence Carter Blount | 1999-02-23 |
| 5815656 | Method of validating memory structures in data processing systems | Susan K. Candelaria, Michael H. Hartung, Dennis Albert Kukula, Kenneth Wayne Lane, Vernon J. Legvold +4 more | 1998-09-29 |
| 5701429 | Method and system for maintaining concurrent data access during device upgrade | Vernon J. Legvold, Julia Liu, Chan Yiu Ng, William G. Sherman, Jeffrey R. Steffan +1 more | 1997-12-23 |
| 5636359 | Performance enhancement system and method for a hierarchical data cache using a RAID parity scheme | Brent Cameron Beardsley, Joel H. Cord, Joseph S. Hyde, II, Vernon J. Legvold, Gary Eugene Morain +3 more | 1997-06-03 |