Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4428428 | Tool and method for gravel packing a well | Kenneth E. Smyrl | 1984-01-31 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4428428 | Tool and method for gravel packing a well | Kenneth E. Smyrl | 1984-01-31 |