Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4386234 | Cryptographic communication and file security using terminals | William F. Ehrsam, Robert C. Elander, Stephen M. Matyas, Carl H. W. Meyer, Robert L. Powers +2 more | 1983-05-31 | $23,750,000 |
| 4238853 | Cryptographic communication security for single domain networks | William F. Ehrsam, Robert C. Elander, Stephen M. Matyas, Carl H. W. Meyer, Robert L. Powers +2 more | 1980-12-09 | $18,918,000 |
| 4238854 | Cryptographic file security for single domain networks | William F. Ehrsam, Robert C. Elander, Stephen M. Matyas, Carl H. W. Meyer, Walter L. Tuchman | 1980-12-09 | $18,918,000 |