Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5578758 | Rail investigating ultrasonic transducer | Anthony Iorfino | 1996-11-26 |
| 4979151 | Method and apparatus for investigating stand-off in a borehole | Michael P. Ekstrom | 1990-12-18 |
| 4885723 | Acoustic apparatus and method for detecting borehole wall discontinuities such as vertical fractures | Bronislaw Seeman | 1989-12-05 |
| 4733380 | Apparatus and method for acoustically investigating a casing set in a borehole | — | 1988-03-22 |
| 4692908 | Method and apparatus for investigating stand-off in a borehole | Michael P. Ekstrom | 1987-09-08 |
| 4382290 | Apparatus for acoustically investigating a borehole | — | 1983-05-03 |
| 4255798 | Method and apparatus for acoustically investigating a casing and cement bond in a borehole | — | 1981-03-10 |