Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5355088 | Method and apparatus for determining parameters of a transition zone of a formation traversed by a wellbore and generating a more accurate output record medium | — | 1994-10-11 |
| 5019978 | Depth determination system utilizing parameter estimation for a downhole well logging apparatus | David Rossi | 1991-05-28 |