Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7739729 | Electronic security system and scheme for a communications network | Shawn S. Cornelius, Clifford Donoughe, Arnold Z. Huffman, Matthew C. Klug, Richard R. Krahn +4 more | 2010-06-15 |
| 7254833 | Electronic security system and scheme for a communications network | Shawn S. Cornelius, Clifford Donoughe, Arnold Z. Huffman, Matthew C. Klug, Richard R. Krahn +4 more | 2007-08-07 |