Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10648212 | Variable friction hinge | — | 2020-05-12 |
| 10538185 | Friction module, friction hinge, and adjustable headrest including the friction module and/or friction hinge | Andrew S. Matejka | 2020-01-21 |