Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4836278 | Apparatus for isolating a plurality of vertically spaced perforations in a well conduit | Patrick C. Stone, Gary Duron Ingram | 1989-06-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4836278 | Apparatus for isolating a plurality of vertically spaced perforations in a well conduit | Patrick C. Stone, Gary Duron Ingram | 1989-06-06 |