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For the Inventor, By the Inventor

Naperville, IL, United States of America

William E Hagerman

This inventor holds 4 USPTO granted patents. Top assignees: At+t Corp., At&t Bell Laboratories, Lucent Technologies Inc.. Active years: 1993-2004.

USPTO Granted Patents = 4

% Patents Active = 100.0

Average Co-Inventor Count = 2.2

ph-index = 4

Forward Citations = 109(Granted Patents)


Company Filing History:

goldMedal2 out of 4,208 
 
At+t Corp.
 patents
silverMedal1 out of 3,345 
 
At&t Bell Laboratories
 patents
bronzeMedal1 out of 9,364 
 
Lucent Technologies Inc.
 patents

Years Active: 1993-2004

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4 patents (USPTO):Explore Patents
1. 6752551 - Vertically expandable keyboard (2004-06-22),
2. 5500889 - Method and apparatus for prioritizing a telephone call according to a (1996-03-19),
3. 5404350 - Routing calls destined for inaccessible destinations (1995-04-04),
4. 5222128 - Telecommunication disaster plan (1993-06-22),
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