Issued Patents 2018
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10029705 | Railroad tank car manway assembly | Dan Schmidt, Spencer Dale Johnson | 2018-07-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10029705 | Railroad tank car manway assembly | Dan Schmidt, Spencer Dale Johnson | 2018-07-24 |