Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9993620 | Catheter anchoring device and method | Duc Hong Le, Minhhia Ngan Le, Bill Russell Alexander | 2018-06-12 |
| 6005951 | Electronic stethoscope | David E. Winston, John Purbrick, Peter R. H. Stark, Daniela Steinhubel | 1999-12-21 |
| 6002777 | Electronic stethoscope | David E. Winston, John Purbrick, Peter R. H. Stark, Daniela Steinhubel | 1999-12-14 |
| 5825895 | Electronic stethoscope | David E. Winston, John Purbrick, Peter R. H. Stark, Daniela Steinhubel | 1998-10-20 |
| D389575 | Chestpiece of a stethoscope | David E. Winston, Peter R. H. Stark, Daniela Steinhubel | 1998-01-20 |
| D389576 | Stethoscope | David E. Winston, Peter R. H. Stark, Daniela Steinhubel | 1998-01-20 |
| D389577 | Housing element of a stethoscope | David E. Winston, Peter R. H. Stark, Daniela Steinhubel | 1998-01-20 |
| D389241 | Binaurals of a stethoscope | David E. Winston, Peter R. H. Stark, Daniela Steinhubel | 1998-01-13 |