Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6579491 | Insulated cover for torpedo cars and method of forming an insulated cover | Donald K. Wiseman, Jr. | 2003-06-17 |
| 5882576 | Insulating cover for torpedo cars | Donald K. Wiseman, Jr. | 1999-03-16 |