Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5455862 | Apparatus and method for encrypting communications without exchanging an encryption key | — | 1995-10-03 |
| 5339351 | Emergency response system | Stephen Horton | 1994-08-16 |
| 5241587 | Polling controller | Stephen Horton | 1993-08-31 |
| 5222136 | Encrypted communication system | Harry R. Rasmussen, Jack LaBounty, Michael J. Rosenow, Joseph G. Maurin | 1993-06-22 |
| 4653094 | Telephone set line status display | Harry R. Rasmussen, Dan M. Percival, Charles Nickerson | 1987-03-24 |