Issued Patents 2021
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11207207 | Mandibular advancement device | David W. Kuhns, Leonard A. LIPTAK | 2021-12-28 |
| 11179268 | Mandibular advancement device with guide channel | David W. Kuhns, Leonard A. LIPTAK | 2021-11-23 |
| D932626 | Mandibular advancement device with comfort bumps | David W. Kuhns, Leonard A. LIPTAK | 2021-10-05 |
| 11009287 | Refrigerator | Po Cheon KIM, Dong Won Koo, Woo Chul Cho, Sun Hwan Joo, Oun Gu Lee | 2021-05-18 |