William C. Leach

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Glen Gardner, NJ, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for fast automated recovery from toll switch f...
- Patent number 6,078,659
- Issue date Jun 20, 2000
- AT&T Corp.
- Nicholas D. De Trana
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for recovering from a telecommunications disaster
- Patent number 5,465,294
- Issue date Nov 7, 1995
- AT&T Corp.
- John M. Chapman
- H04 - ELECTRIC COMMUNICATION TECHNIQUE