Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5327969 | Method of preventing gas migration during primary well cementing | Fred Sabins | 1994-07-12 |
| 5309996 | Methods of primary cementing of wells | — | 1994-05-10 |
| 5294567 | Method for forming via holes in multilayer circuits | Jay Robert Dorfman, Richard R. Draudt, Thomas D. Lantzer, Arthur H. Mones | 1994-03-15 |