Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10844559 | Traffic flow barrier with corresponding production mold and hand cart | James A. Ptacek, Steven D. Larson | 2020-11-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10844559 | Traffic flow barrier with corresponding production mold and hand cart | James A. Ptacek, Steven D. Larson | 2020-11-24 |