Mark H. Nelson

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Fremont, NH, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for monitoring the status of non-pollable devi...
- Patent number 6,049,828
- Issue date Apr 11, 2000
- Cabletron Systems, Inc.
- Roger H. Dev
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for monitoring the status of non-pollable devi...
- Patent number 5,812,750
- Issue date Sep 22, 1998
- Cabletron Systems, Inc.
- Roger H. Dev
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System for determining the status of an entity in a computer network
- Patent number 5,751,933
- Issue date May 12, 1998
- Roger H. Dev
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for monitoring the status of non-pollable devi...
- Patent number 5,559,955
- Issue date Sep 24, 1996
- Cabletron Systems, Inc.
- Roger H. Dev
- G06 - COMPUTING CALCULATING COUNTING