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For the Inventor, By the Inventor

Tustin, CA, United States of America

William Lewis

This inventor holds 4 USPTO granted patents. Top assignees: Swedlow, Inc., Pilkington Aerospace Limited. Active years: 1991-1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: William Lewis. Retrieved from https://idiyas.com/inventor/william-lewis-221846at

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 4

% Patents Active = 100.0

Average Co-Inventor Count = 2.4

ph-index = 4

Forward Citations = 151(Granted Patents)


Company Filing History:

goldMedal3 out of 17 
 
Swedlow, Inc.
 patents
silverMedal1 out of 11 
 
Pilkington Aerospace Limited
 patents

Years Active: 1991-1994

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4 patents (USPTO):Explore Patents
1. 5296295 - Radiation-curable coating compositions that form transparent, (1994-03-22),
2. 5221560 - Radiation-curable coating compositions that form transparent, abrasion (1993-06-22),
3. 5102695 - Highly tintable abrasion resistant coatings (1992-04-07),
4. 5013608 - Highly tintable abrasion resistant coatings (1991-05-07),

Title: Top Inventor in Tustin, California

Introduction: David B. Chang is a prominent inventor known for his contributions to various fields. He has made significant strides in innovation and technology.

Latest Patents: David B. Chang holds several patents that showcase his inventive prowess and creativity.

Career Highlights: Throughout his career, he has achieved numerous milestones that highlight his expertise and dedication to his craft.

Collaborations: David has worked with various organizations and individuals, fostering partnerships that enhance his innovative projects.

Conclusion: David B. Chang continues to be a leading figure in the world of invention, inspiring future generations of inventors.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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