Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4500750 | Cryptographic application for interbank verification | Robert C. Elander, Richard E. Lennon, Stephen M. Matyas, Carl H. W. Meyer, Robert E. Shuck | 1985-02-19 |
| 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 |
| 4238854 | Cryptographic file security for single domain networks | William F. Ehrsam, Robert C. Elander, Stephen M. Matyas, Carl H. W. Meyer, John L. Smith | 1980-12-09 |
| 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 |
| 4227253 | Cryptographic communication security for multiple domain networks | William F. Ehrsam, Robert C. Elander, Lloyd L. Hollis, Richard E. Lennon, Stephen M. Matyas +2 more | 1980-10-07 |
| 4206315 | Digital signature system and apparatus | Stephen M. Matyas, Carl H. W. Meyer | 1980-06-03 |
| 4203166 | Cryptographic file security for multiple domain networks | William F. Ehrsam, Robert C. Elander, Stephen M. Matyas, Carl H. W. Meyer, Richard J. Sahulka | 1980-05-13 |
| 4193131 | Cryptographic verification of operational keys used in communication networks | Richard E. Lennon, Stephen M. Matyas, Carl H. W. Meyer, Jonathan Oseas, Paul N. Prentice | 1980-03-11 |