Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7620913 | Tree visualization system and method based upon a compressed half-plane model of hyperbolic geometry | John O. Lamping, Ramana B. Rao | 2009-11-17 |
| 6901555 | Tree visualization system and method based upon a compressed half-plane model of hyperbolic geometry | John O. Lamping, Ramana B. Rao | 2005-05-31 |