Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9791027 | Apparatus utilizing planetary gearset coupled to a constant torsion spring | Timothy A. Erhart, John Russell Kingery | 2017-10-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9791027 | Apparatus utilizing planetary gearset coupled to a constant torsion spring | Timothy A. Erhart, John Russell Kingery | 2017-10-17 |