| SMI HOLDINGS, INC. Patent applications |
| Patent application number | Title | Published |
|---|
| 20100327050 | EXPRESSION CODES FOR MICROPARTICLE MARKS BASED ON SIGNATURE STRINGS - A system, apparatus, and method for identifying and authenticating articles using expression codes obtained from marks incorporating microparticles on or in articles, article packaging, or article labeling where the expression codes are based on signature strings generated relative to attributes of valid individual microparticles. The system, apparatus, and method can also enable the serialization of articles over and above the code-formulation that is achievable with multi-layered color-coded microparticles or single expression microparticles. | 12-30-2010 |
| 20090136079 | AUTOMATIC MICROPARTICLE MARK READER - An automatic reader system, apparatus, and method for the identification and authentication of articles enabling automatic collection and processing of code data associated with microparticle marks, automatic determination of the code from the code data associated with microparticle marks, and automatic retrieval of reference information associated with the code. | 05-28-2009 |
