Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5351755 | Method and apparatus for establish the orientation of tools in a cased borehole | — | 1994-10-04 |
DH
Donald L. Howlett
Overall (1994): #141,209 of 165,921Top 90%
1
Patents 1994