Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11842361 | Online behavior, survey, and social research system | Sean Miller, Baixue Wu | 2023-12-12 |
| 7194448 | Multi-layer surveying systems and methods with multi-layer incentives | Charles T. Rosen | 2007-03-20 |
| 6446044 | Multi-layer surveying systems and methods with multi-layer incentives | Charles T. Rosen | 2002-09-03 |