Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11473639 | Coined drawbars for drawbar assemblies | Billy Burier, Valentin Fridmanovich, Christopher Wisniewski, Stephen Kempf | 2022-10-18 |
| 8939438 | Plastic spring and method and apparatus for making the same | Stephen Kempf, Subramanya Naglapura, Sean M Diamond, Brian Moulder, Brian Straiton | 2015-01-27 |