Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7188340 | Hybrid tree for mixed user interface elements and sequential data | Peter Ostertag, Jeffrey L. Bogdan, Robert A. Relyea | 2007-03-06 |
| 6775678 | Data structure and method of storing a digital document | Chao Liu | 2004-08-10 |
| 6449615 | Method and system for maintaining the integrity of links in a computer network | Chao Liu, William Morel, James W. Kelly, Jr., Clifford P. Van Dyke | 2002-09-10 |
| 6363386 | System and method for managing property information related to a resource | Joel M. Soderberg, Van C. Van, Brian J. Deen, Chao Liu | 2002-03-26 |