Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4924513 | Apparatus and method for secure transmission of data over an unsecure transmission channel | B. J. Herbison, Carter Lyman, Bruce E. Mann, Steve Lipner, Arnold Miller | 1990-05-08 |
| 4881263 | Apparatus and method for secure transmission of data over an unsecure transmission channel | B. J. Herbison, Carter Lyman, Bruce E. Mann, Steve Lipner, Arnold Miller | 1989-11-14 |
| 4787031 | Computer with virtual machine mode and multiple protection rings | Timothy E. Leonard, Andrew H. Mason | 1988-11-22 |