Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4349072 | Method and apparatus for conducting logging or perforating operations in a borehole | Pierre C. Escaron | 1982-09-14 |
| 4337969 | Extension member for well-logging operations | Pierre C. Escaron | 1982-07-06 |
| 4325196 | Multilayer identification cards with relief-like surface | Wolfgang Gauch, Yahya Haghiri-Tehrani | 1982-04-20 |