Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4425763 | Coal-fired steam locomotive | David A. Berkowitz, William L. Withuhn, Carl C. Hamilton | 1984-01-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4425763 | Coal-fired steam locomotive | David A. Berkowitz, William L. Withuhn, Carl C. Hamilton | 1984-01-17 |