Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8460399 | Weak acid based concrete stain | Sanford Lee Hertz, William Tao, Jason J. Netherton, Matthew S. Gebhard | 2013-06-11 |
| 8092555 | Concrete coloring compositions and methods | Sanford Lee Hertz, William Tao, Jason J. Netherton, Matthew S. Gebhard, T. Howard Killilea +1 more | 2012-01-10 |