Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4744030 | Method and apparatus for measuring internal casing wear | Norman R. Carlson | 1988-05-10 |
| 4736298 | Method of detecting collars using computerized pattern recognition | Steven B. Easton, Norman R. Carlson | 1988-04-05 |
| 4718047 | Analysis of cement bonding utilizing temperature profiles | Norman R. Carlson, Edward W. Lanuke | 1988-01-05 |