Robert J. Sun

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Bala Cynwyd, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of making an RF admittance measuring probe and product thereof
- Patent number 4,332,167
- Issue date Jun 1, 1982
- Drexelbrook Controls, Inc.
- Robert J. Sun
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
RF Admittance measuring method and apparatus for determining the le...
- Patent number 4,166,388
- Issue date Sep 4, 1979
- Drexelbrook Controls, Inc.
- Robert J. Sun
- G01 - MEASURING TESTING
Information Patent Grant
RF admittance measuring method and apparatus for determining the le...
- Patent number 4,064,753
- Issue date Dec 27, 1977
- Drexelbrook Controls, Inc.
- Robert J. Sun
- G01 - MEASURING TESTING