DVR patent information
The following models QIP2708, QIP6416, QIP7216, QIP7232, and CHS435HDC are licensed by TiVo under U.S. Patent Nos.
- 6,233,389
- 7,493,015
- 7,529,465
- 6,847,778
- 5,442,390
- 6,792,195
- 7,321,716
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