Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9664074 | Variable valve timing device for internal combustion engines utilizing hydraulic valve actuators | Joshua Tolbert, Robert Tracy Tolbert | 2017-05-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9664074 | Variable valve timing device for internal combustion engines utilizing hydraulic valve actuators | Joshua Tolbert, Robert Tracy Tolbert | 2017-05-30 |