Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4353244 | Method of determining the azimuth and length of a deep vertical fracture in the earth | — | 1982-10-12 |
| 4281713 | Method and apparatus for monitoring the position and movement progress of the flame front in an underground combustion | Daniel Silverman | 1981-08-04 |
| 4271696 | Method of determining change in subsurface structure due to application of fluid pressure to the earth | — | 1981-06-09 |