Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8451867 | Network time protocol precision timestamping service | — | 2013-05-28 |
| 6393126 | System and methods for generating trusted and authenticatable time stamps for electronic documents | Erik van der Kaay, David Tyo, David A. Robinson | 2002-05-21 |