Issued Patents All Time
Showing 76–83 of 83 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7411080 | Direct synthesis of copper carbonate | — | 2008-08-12 |
| 7252706 | Inhibition of calcium and magnesium precipitation from wood preservatives | H. Wayne Richardson | 2007-08-07 |
| 7175819 | Regeneration of cupric etchants and recovery of copper sulfate | H. Wayne Richardson | 2007-02-13 |
| 6905532 | Process for the dissolution of copper metal | Hugh W. Richardson | 2005-06-14 |
| 6905531 | Process for the dissolution of copper metal | Hugh W. Richardson | 2005-06-14 |
| 6646147 | Process for the dissolution of copper metal | Hugh W. Richardson | 2003-11-11 |
| 5644801 | Splash-reduced toilet system | Shurun Zhao | 1997-07-08 |
| 4794323 | Multifunctional ceramic sensor | Zhi ZHOU, Zhong Zhang | 1988-12-27 |