Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11957587 | Protected adjustable heart valve sizer | Gerald B. Gollinger, William A. Maywald, Derrick Johnson, Brian S. Conklin, Da-Yu Chang | 2024-04-16 |
| 11911273 | Prosthetic heart valve with collapsible holder | Derrick Johnson, Brian S. Conklin, Myron Howanec, Jr. | 2024-02-27 |
| 11166819 | Covered heart valve sizer | Gerald B. Gollinger, William A. Maywald, Derrick Johnson, Brian S. Conklin, Da-Yu Chang | 2021-11-09 |
| 10799353 | Prosthetic heart valve with collapsible holder | Derrick Johnson, Brian S. Conklin, Myron Howanec, Jr. | 2020-10-13 |