Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7239793 | On-screen display insertion | Bradley Alan Sparks, Harold Blatter, Michael McLane | 2007-07-03 |
| 6363213 | Interface for digital recorder and display | Bradley Alan Sparks | 2002-03-26 |
| 5532832 | Deletion of entries from the channel mapping list of a videocassette recorder | James Edwin Hailey | 1996-07-02 |
| 4521810 | Video source selector | Karl L. Friedline | 1985-06-04 |