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For the Inventor, By the Inventor

Tigard, OR, United States of America

Perry E Wingfield

This inventor holds 3 USPTO granted patents. Top assignee: Tektronix, Inc.. Active years: 1987-1999.

USPTO Granted Patents = 3

% Patents Active = 100.0

Average Co-Inventor Count = 2.4

ph-index = 3

Forward Citations = 90(Granted Patents)


Company Filing History:

goldMedal3 out of 2,758 
 
Tektronix, Inc.
 patents

Years Active: 1987-1999

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3 patents (USPTO):Explore Patents
1. 5975690 - Solid ink stick supply system (1999-11-02),
2. 4648119 - Method and apparatus for forming 3.times.3 pixel arrays and for (1987-03-03),
3. 4646355 - Method and apparatus for input picture enhancement by removal of (1987-02-24),
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