Portnoy; Harold D.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Portnoy; Harold D..The latest application filed is for "resistive shunt valve".
- Portnoy; Harold D. - West Bloomfield MI
- Portnoy; Harold D. - Bloomfield Hills MI
| Patent | Date |
|---|---|
| Resistive shunt valve App 20060089589 - Portnoy; Harold D. | 2006-04-27 |
| Interactive Computer System For Obtaining Informed Consent From A Patient App 20020062228 - PORTNOY, HAROLD D. ; et al. | 2002-05-23 |
| Physiological draining system with differential pressure and compensating valves Grant 4,867,741 - Portnoy September 19, 1 | 1989-09-19 |
| Shunt system resistant to overdrainage and siphoning and valve therefor Grant 3,991,768 - Portnoy November 16, 1 | 1976-11-16 |
| Retractor for soft tissue for example brain tissue Grant 3,882,855 - Schulte , et al. May 13, 1 | 1975-05-13 |
| Plug Valve For Physiological Shunt Systems Grant 3,827,439 - Schulte , et al. August 6, 1 | 1974-08-06 |
| Means For Cutting Nerve Tissue Grant 3,816,919 - Portnoy June 18, 1 | 1974-06-18 |
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