Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10974084 | Reusable respirator mask with refillable filter | Anna Grinvald, Ron Grinvald | 2021-04-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10974084 | Reusable respirator mask with refillable filter | Anna Grinvald, Ron Grinvald | 2021-04-13 |