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For the Inventor, By the Inventor

Endwell, NY, United States of America

David Allan Hellenga

This inventor holds 3 USPTO granted patents. Top assignee: International Business Machines Corporation. Active years: 1989-2001.

USPTO Granted Patents = 3

% Patents Active = 100.0

Average Co-Inventor Count = 3.3

ph-index = 3

Forward Citations = 60(Granted Patents)


Company Filing History:

goldMedal3 out of 166,209 
 
International Business Machines Corporation
 patents

Years Active: 1989-2001

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3 patents (USPTO):Explore Patents
1. 6314462 - Sub-entry point interface architecture for change management in a computer network (2001-11-06),
2. 5903757 - Monitoring and handling of exception conditions in computer system (1999-05-11),
3. 4862349 - Method for extracting and/or replacing control system information in a (1989-08-29),

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