Hamburg Group
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hamburg Group.The latest application filed is for "percussion vibrator device for treatment of patients to assist expectoration of retained secretions".
- Hamburg Group - Stockton CA
| Patent | Date |
|---|---|
| Percussion vibrator device for treatment of patients to assist expectoration of retained secretions Grant 4,079,733 - Denton , et al. March 21, 1 | 1978-03-21 |
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