Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10290021 | Dissemination of ads via point of sale terminals over a communications network | — | 2019-05-14 |
| 5746353 | Portable laundry detergent dispensing system | Calvin Kok-Hwa Cheok | 1998-05-05 |