Robert L. Northup

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San Diego, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
DC uninterrupted power supply having instantaneous switching follow...
- Patent number 5,057,697
- Issue date Oct 15, 1991
- The United States of America as represented by the Secretary of the Navy
- Russell E. Hammond
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electrical power supply for short term power interruptions
- Patent number 5,012,121
- Issue date Apr 30, 1991
- The United States of America as represented by the Secretary of the Navy
- Russell E. Hammond
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER