Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9166410 | Line balancing for a three-phase alternating current system | Sangsun Kim | 2015-10-20 |
| 6337856 | Multimedia data communications system | Jeffrey Alan Schanhals, Christopher Carl Steffes, George William Vallillee, IV | 2002-01-08 |
| 6298047 | Method and apparatus for establishing a data link between a portable data communications device and an interface circuit | Christopher Carl Steffes, George William Vallillee, IV | 2001-10-02 |