Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6380138 | Injection molded degradable casing perforation ball sealers fluid loss additive and method of use | Noel D. Ischy, A. Richard Sinclair | 2002-04-30 |
| 5990051 | Injection molded degradable casing perforation ball sealers | Noel D. Ischy | 1999-11-23 |