Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6492967 | Fabrication of a twisting ball display having two or more different kinds of balls | Nicholas K. Sheridon, Jock Douglas Mackinlay | 2002-12-10 |
| 6421035 | Fabrication of a twisting ball display having two or more different kinds of balls | Nicholas K. Sheridon, Jock Douglas Mackinlay | 2002-07-16 |