Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5278550 | Apparatus and method for retrieving and/or communicating with downhole equipment | Mark A. Fredette | 1994-01-11 |
ER
Erik Rhein-Knudsen
Overall (1994): #137,490 of 165,921Top 85%
1
Patents 1994