Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8645760 | Alternate procedures assisting computer users in solving problems related to error and informational messages | — | 2014-02-04 |
| 6351850 | Computer operating system installation | Sam Dunham, Kerry Krieger | 2002-02-26 |
| 4677661 | Microprocessor controlled telephone unit | Samuel B. Dunham, Douglas A. Cross | 1987-06-30 |
| 4626627 | Telephone line selector for use with a PBX | Samuel B. Dunham, Douglas A. Cross | 1986-12-02 |
| D283507 | Telephone console | — | 1986-04-22 |