Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5459857 | Fault tolerant disk array data storage subsystem | Charles A. Milligan, George A. Rudeseal, Paul R. Swiatek | 1995-10-17 |
| 5371882 | Spare disk drive replacement scheduling system for a disk drive array data storage subsystem | — | 1994-12-06 |
| 5239659 | Phantom duplex copy group apparatus for a disk drive array data storge subsystem | George A. Rudeseal, Jay S. Belsan | 1993-08-24 |
| 5193184 | Deleted data file space release system for a dynamically mapped virtual data storage subsystem | Jay S. Belsan, George A. Rudeseal, Charles A. Milligan, Mogens H. Pedersen, John F. Kitchen | 1993-03-09 |
| 5155845 | Data storage system for providing redundant copies of data on different disk drives | David G. Beal, Fred C. Eifert, Charles A. Milligan, George A. Rudeseal, Paul R. Swiatek | 1992-10-13 |