Oldfield Family Holdings Pty. Limited
Patent Applications and Registrations
Patent applications and USPTO patent grants for Oldfield Family Holdings Pty. Limited.The latest application filed is for "endotracheal tube for selective bronchial occlusion".
- Oldfield Family Holdings Pty. Limited - New South Wales AU
| Patent | Date |
|---|---|
| Endotracheal tube for selective bronchial occlusion Grant 6,550,475 - Oldfield April 22, 2 | 2003-04-22 |
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