William C. Sand

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St. Charles, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
System and method for analyzing and displaying telecommunications s...
- Patent number 6,385,609
- Issue date May 7, 2002
- Lucent Technologies Inc.
- Alvin Barshefsky
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Call charging arrangement
- Patent number 4,791,640
- Issue date Dec 13, 1988
- American Telephone and Telegraph Company, AT&T Bell Laboratories
- William C. Sand
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signaling protocol channel unit
- Patent number 4,636,584
- Issue date Jan 13, 1987
- AT&T Bell Laboratories
- Mark S. Binkerd
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signaling protocol interface channel unit
- Patent number 4,623,760
- Issue date Nov 18, 1986
- AT&T Bell Laboratories
- Mark S. Binkerd
- H04 - ELECTRIC COMMUNICATION TECHNIQUE