Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6897971 | Facsimile distribution manager | Mark A. Stephens | 2005-05-24 |
| 6829707 | Method and system for downloading encrypted font scripts to a print server | Arthur R. Roberts, Mark A. Stephens | 2004-12-07 |
| 5251216 | Receiver gain control for radio telephone system | Robert Bristow, Andrew Cheer | 1993-10-05 |