Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7987943 | Apparatus and method for generating a seismic source signal | Zhouhong Wei, John Crowell | 2011-08-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7987943 | Apparatus and method for generating a seismic source signal | Zhouhong Wei, John Crowell | 2011-08-02 |