Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9662920 | Method of printing security code | Michael Kozee, Michael Sullivan, Linfang Zhu | 2017-05-30 |
| 9243157 | Method of printing security code | Michael Kozee, Michael Sullivan, Linfang Zhu | 2016-01-26 |
| 8999036 | Method for production of a compressed natural gas equivalent from landfill gas and other biogases | — | 2015-04-07 |
| 8544990 | Pigmented ink jet ink composition | Michael Kozee, Fengfei Xiao, Linfang Zhu | 2013-10-01 |