Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5643386 | Assembly process for fabric bag plug | Randy D. Smith | 1997-07-01 |
| D379851 | External sealing cap for pipes | — | 1997-06-10 |
| D378695 | Pipeline plug | Randy D. Smith | 1997-04-01 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5643386 | Assembly process for fabric bag plug | Randy D. Smith | 1997-07-01 |
| D379851 | External sealing cap for pipes | — | 1997-06-10 |
| D378695 | Pipeline plug | Randy D. Smith | 1997-04-01 |