Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9436815 | Block management unification system and method | Steven B. Cohen, Lawrence duBoef, H. Stan Johnson | 2016-09-06 |
| 8924730 | Digital watermarking for secure transmission between a source component and a node device | Steven B. Cohen, Lawrence duBoef, H. Stan Johnson | 2014-12-30 |
| 4432733 | Amusement and educational game | — | 1984-02-21 |
| 4397417 | Folder for coupons | — | 1983-08-09 |
| 4310318 | Electronic game | — | 1982-01-12 |