Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4968098 | Coal seam discontinuity sensor and method for coal mining apparatus | Robert L. Hirsch, Amjad A. Bseisu | 1990-11-06 |
| 4965774 | Method and system for vertical seismic profiling by measuring drilling vibrations | James P. DiSiena, Amjad A. Bseisu | 1990-10-23 |