Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5823230 | Heat exchanger assembly method and tube plug for heat exchanger | Kevin L. Freestone, Mabel Winifred Smith, Herbert Allen Weaver, Stephen Alan Parks, Alvan Harold Johnson +3 more | 1998-10-20 |