Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6771276 | Two-dimensional drawing environment utilizing perspective grids | Delores Highsmith, Fan Yu | 2004-08-03 |
DH
David Halpin
Overall (2004): #239,708 of 270,089Top 90%
1
Patents 2004