Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6473559 | Program guide system for recording television programs | Edward B. Knudson, Michael D. Ellis, Bruce L. Davis | 2002-10-29 |
| 6442332 | Program guide system for recording television programs | Edward B. Knudson, Michael D. Ellis, Bruce L. Davis | 2002-08-27 |