Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5253709 | Method and apparatus for sealing pipe perforations | William A. Savage | 1993-10-19 |
| 4790383 | Method and apparatus for multi-zone casing perforation | William A. Savage | 1988-12-13 |