Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6622144 | Methods and database for extending columns in a record | — | 2003-09-16 |
| 5726684 | Detachable convertible mouse-trackball pointing device for use with a computer | Joseph Blankenship | 1998-03-10 |