Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10888300 | Stethoscope with extended detection range | Richard Hoppmann, Toufic Robert Haddad, Andrei Zagrai | 2021-01-12 |
| 10548562 | Stethoscope with extended detection range | Richard Hoppmann, Toufic Robert Haddad, Andrei Zagrai | 2020-02-04 |