Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6038639 | Data file storage management system for snapshot copy operations | John T. O'Brien, Michael Steven Milillo | 2000-03-14 |
| 5632012 | Disk scrubbing system | Alan R. Permut, George A. Rudeseal | 1997-05-20 |
| 5581724 | Dynamically mapped data storage subsystem having multiple open destage cylinders and method of managing that subsystem | George A. Rudeseal, Charles A. Milligan | 1996-12-03 |
| 5430855 | Disk drive array memory system using nonuniform disk drives | Robert Walsh, George A. Rudeseal | 1995-07-04 |
| 5410667 | Data record copy system for a disk drive array data storage subsystem | Charles A. Milligan, John T. O'Brien, George A. Rudeseal | 1995-04-25 |
| 5403639 | File server having snapshot application data groups | Jeffrey Steven Laughlin, Mogens H. Pedersen, Robert Raicer, George A. Rudeseal, Charles Patrick Schafer +2 more | 1995-04-04 |
| 5394532 | Disk drive array memory system having instant format capability | — | 1995-02-28 |
| 5379391 | Method and apparatus to access data records in a cache memory by multiple virtual addresses | John T. O'Brien | 1995-01-03 |
| 5371850 | Interprocess message queue | Robert C. Lynn, Bruce A. Mork | 1994-12-06 |
| 5329622 | System for retrieval of a data record by buffering the record in segments and beginning transmission prior to the buffer obtaining the entire record | Charles A. Milligan | 1994-07-12 |
| 5239659 | Phantom duplex copy group apparatus for a disk drive array data storge subsystem | George A. Rudeseal, Henry S. Ludlam | 1993-08-24 |
| 5210866 | Incremental disk backup system for a dynamically mapped data storage subsystem | Charles A. Milligan, George A. Rudeseal | 1993-05-11 |
| 5193184 | Deleted data file space release system for a dynamically mapped virtual data storage subsystem | George A. Rudeseal, Charles A. Milligan, Mogens H. Pedersen, John F. Kitchen, Henry S. Ludlam | 1993-03-09 |
| 5155835 | Multilevel, hierarchical, dynamically mapped data storage subsystem | — | 1992-10-13 |
| 5148537 | Method and apparatus for effecting an intra-cache data transfer | — | 1992-09-15 |