Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8006092 | Digital watermarks for checking authenticity of printed objects | Tony F. Rodriguez, Hugh L. Brunk, Geoffrey B. Rhoads | 2011-08-23 |
| 7246239 | Digital watermarks for checking authenticity of printed objects | Tony F. Rodriguez, Hugh L. Brunk, Geoffrey B. Rhoads | 2007-07-17 |
| 6993150 | Halftone primitive watermarking and related applications | — | 2006-01-31 |
| 6363927 | Log burning device | Dave Nelson | 2002-04-02 |