Richard A. Windhausen

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Thornton, CO, US

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Patents Grantslast 30 patents

Information Patent Grant
Data transmission security arrangement for a plurality of data stat...
- Patent number 4,901,348
- Issue date Feb 13, 1990
- American Telephone and Telegraph Company
- John M. Nichols
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telephone system port communication method and apparatus
- Patent number 4,707,694
- Issue date Nov 17, 1987
- American Telephone and Telegraph Company
- David L. Bauer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE