Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8061678 | Positive spring force actuator | — | 2011-11-22 |
JS
Joseph J. Stefan
Overall (2011): #256,883 of 364,097Top 75%
1
Patents 2011