Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7142091 | Self-authenticating identification substrate with encoded packet output | — | 2006-11-28 |
| 5699927 | Beverage cup lid having perpheral locking means for drinking opening closure member | Robert C. Williams, III | 1997-12-23 |
| 5623552 | Self-authenticating identification card with fingerprint identification | — | 1997-04-22 |
| 5490609 | Beverage cup lid having peripheral locking means for drinking opening closure member | Robert C. Williams, III | 1996-02-13 |