Donald K. Alexander

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Ellicott City, MD, US

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Patents Grantslast 30 patents

Information Patent Grant
Mitered mechanical switches
- Patent number 4,904,831
- Issue date Feb 27, 1990
- Westinghouse Electric Corp.
- Harvey C. Nathanson
- G01 - MEASURING TESTING
Information Patent Grant
Process for producing vias in semiconductor
- Patent number 4,894,114
- Issue date Jan 16, 1990
- Westinghouse Electric Corp.
- Harvey C. Nathanson
- G01 - MEASURING TESTING
Information Patent Grant
Transmit-receive means for phased-array active antenna system using...
- Patent number 4,823,136
- Issue date Apr 18, 1989
- Westinghouse Electric Corp.
- Harvey C. Nathanson
- G01 - MEASURING TESTING