Sofranko; Richard Andrew Zehel
Patent Applications and Registrations
Patent applications and USPTO patent grants for Sofranko; Richard Andrew Zehel.The latest application filed is for "single chamber blood pump".
- Sofranko; Richard Andrew Zehel - Pittsburgh PA
| Patent | Date |
|---|---|
| Single chamber blood pump Grant 6,066,085 - Heilman , et al. May 23, 2 | 2000-05-23 |
| Single chamber blood pump Grant 5,980,448 - Heilman , et al. November 9, 1 | 1999-11-09 |
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