Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6317729 | Method for certifying delivery of secure electronic transactions | Linda J. Camp | 2001-11-13 |
| 5809144 | Method and apparatus for purchasing and delivering digital goods over a network | J. D. Tygar, Benjamin T. H. Cox, Thomas Wagner | 1998-09-15 |