Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4853842 | Computer memory system having persistent objects | Donald W. Oxley | 1989-08-01 |
| 4814971 | Virtual memory recovery system using persistent roots for selective garbage collection and sibling page timestamping for defining checkpoint state | — | 1989-03-21 |
| 4797810 | Incremental, multi-area, generational, copying garbage collector for use in a virtual address space | Timothy J. McEntee, Robert Bloemer, Donald W. Oxley | 1989-01-10 |