Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11407270 | Adjustable spring mounting assembly for vehicle | Robert F. Mater, Jr. | 2022-08-09 |
| 11364760 | Tandem axle suspension system with fixed keeper and slipper springs | Robert F. Mater, Jr. | 2022-06-21 |