Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4424956 | Drapable, consumable, heat retention shield for hot metal cars | Louis A. Grant, Jr. | 1984-01-10 |
| 4424957 | Hot metal car heat retention shield | Louis A. Grant, Jr. | 1984-01-10 |