Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5774084 | Method and apparatus for translating digital data into an analog signal | John M. Liebetreu, Ronald Duane McCallister | 1998-06-30 |
| 5721756 | Digital receiver with tunable analog parameters and method therefor | John M. Liebetreu, Ronald Duane McCallister, James J. Crawford | 1998-02-24 |