Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7162484 | Method and system for hierarchical visibility marks for hierarchical elements in hierarchical database structure, filtering hierarchical elements, hide any hierarchical element not having either a user hierarchical visibility mark or a propagated hierarchical visibility mark | Ocke Janssen, Frank Schoenheit | 2007-01-09 |