Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881263 | Apparatus and method for secure transmission of data over an unsecure transmission channel | B. J. Herbison, Carter Lyman, Paul A. Karger, Bruce E. Mann, Steve Lipner | 1989-11-14 |