Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5808484 | Method and apparatus for detecting changes in a clock signal to static states | James R. Hellums | 1998-09-15 |
| 5589784 | Method and apparatus for detecting changes in a clock signal to static states | James R. Hellums | 1996-12-31 |
| 5274376 | Multi-mode digital to analog converter and method | James R. Hochschild, William A. Severin | 1993-12-28 |