Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4514236 | Method of manufacturing an article of non-magnetic austenitic alloy steel for a drill collar | William T. Cook, Michael Cristinacce | 1985-04-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4514236 | Method of manufacturing an article of non-magnetic austenitic alloy steel for a drill collar | William T. Cook, Michael Cristinacce | 1985-04-30 |