Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4406152 | Method and apparatus for calibrating a railroad tank car | John T. Ostgaard | 1983-09-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4406152 | Method and apparatus for calibrating a railroad tank car | John T. Ostgaard | 1983-09-27 |