Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4972453 | Autonomous expert system for directly maintaining remote telephone switching systems | William Daniel, Charles S. Roush | 1990-11-20 |
| 4646346 | Integrated message service system | William D. Emerson, Deborah Hill, Albert Mizrahi, Charles T. Schlegel, Lowell C. Scott | 1987-02-24 |
| 4612416 | Integrated message service system | William D. Emerson, Deborah Hill, Albert Mizrahi, Charles T. Schlegel, Lowell C. Scott | 1986-09-16 |