Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870415 | Data compression system with expansion protection | David J. Van Maren | 1989-09-26 |
| 4847619 | Performance-based reset of data compression dictionary | David W. Ruska, David J. Van Maren | 1989-07-11 |