Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5649568 | Glass fiber reinforced cement liners for pipelines and casings | William C. Allen, David E. Stikkers | 1997-07-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5649568 | Glass fiber reinforced cement liners for pipelines and casings | William C. Allen, David E. Stikkers | 1997-07-22 |