John J. McGrath

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Kennett Square, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and system for detecting defective pixels and screen imperfe...
- Patent number 9,805,458
- Issue date Oct 31, 2017
- Communications Test Design, Inc.
- Gerald J. Parsons
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for simultaneously testing multiple set-top boxes
- Patent number 8,418,219
- Issue date Apr 9, 2013
- Communications Test Design, Inc.
- Gerald J. Parsons
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Emergency alert system
- Patent number 5,029,290
- Issue date Jul 2, 1991
- Communications Test Design, Inc.
- Donald F. Parsons
- G08 - SIGNALLING
Information Patent Grant
Method and apparatus as for testing a telephone line interface card
- Patent number 5,005,197
- Issue date Apr 2, 1991
- Communications Test Design, Inc.
- Gerald J. Parsons
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND SYSTEM FOR DETECTING DEFECTIVE PIXELS AND SCREEN IMPERFE...
- Publication number 20170278232
- Publication date Sep 28, 2017
- Communications Test Design, Inc.
- Gerald J. Parsons
- G06 - COMPUTING CALCULATING COUNTING