Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8823937 | Products and methods for identifying rock samples | William E. Ellington, Mark Smith, Grigory Leonidovich Dubinsky | 2014-09-02 |
| 8416413 | Products and methods for identifying rock samples | William E. Ellington, Mark Smith, Grigory Leonidovich Dubinsky | 2013-04-09 |