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For the Inventor, By the Inventor

Carlsbad, CA, United States of America

Signet Armorlite, Inc.

USPTO Granted Patents = 18

% Expired Patents = 38.9


Trademarks = 15

Forward Citations = 326

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19 inventors (with patents filed for the assignee):

goldMedal Thomas J Engardio (11 out of 11 patents)

silverMedal Paul D Schlunt (5 out of 5 patents)

bronzeMedal Dae Ki Kang (4 out of 4 patents)

4.  Philip D Dalsin (4 out of 5 patents)

5.  Prashant Santan (3 out of 6 patents)

6.  Newton Michael Tarleton (3 out of 4 patents)

7.  Geoffrey Yuxin Hu (2 out of 5 patents)

8.  Jean S Lee (2 out of 2 patents)

9.  Gavin Ho (1 out of 1 patent)

10.  Hugh McLoughlin (1 out of 5 patents)

11.  Trevor Steele (1 out of 5 patents)

12.  Erick S Rorye (1 out of 1 patent)

13.  Derek Payne (1 out of 2 patents)

14.  Jimmie E Adcock (1 out of 1 patent)

15.  Eric Peter Berg (1 out of 33 patents)


18 patents:

1. 11016313 - Ophthalmic lens (2021-05-25),
2. 10191305 - Ophthalmic lens (2019-01-29),
3. 10018530 - System for measuring transmission of light through glasses (2018-07-10),
4. 8633292 - Polyurethane-based photochromic optical materials (2014-01-21),
5. 8343391 - Compositions for the preparation of composite photochromic polycarbonate lenses (2013-01-01),
6. 8163357 - Scratch-resistant coatings with improved adhesion to inorganic thin film coatings (2012-04-24),
7. 7892459 - Compositions for the preparation of composite photochromic polycarbonate lenses (2011-02-22),
8. 7488510 - Compositions and methods for the preparation of composite photochromic polycarbonate lenses (2009-02-10),
9. 7033023 - Progressive addition power lens (2006-04-25),
10. 6863848 - Methods for preparing composite photochromic ophthalmic lenses (2005-03-08),
11. 6863844 - Photochromic matrix compositions for use in ophthalmic lenses (2005-03-08),
12. 6099123 - Production of photopolymerized polyester high index ophthalmic lenses (2000-08-08),
13. 5886764 - Polyester resin-based high index ophthalmic lenses having improved (1999-03-23),
14. 5852112 - Polyester resin-based high index ophthalmic lenses having improved (1998-12-22),
15. 5694195 - Polyester resin-based high index ophthalmic lenses having improved (1997-12-02),
Company Overview
Signet Armorlite, Inc. is a leading provider of advanced optical solutions, specializing in the development and manufacturing of high-performance lens materials and coatings. The company focuses on enhancing vision through innovative technologies, catering primarily to the eyewear industry. With a commitment to quality and precision, Signet Armorlite serves a global market, delivering products that meet the evolving needs of consumers and eye care professionals alike. Their expertise encompasses various aspects of optical engineering and material science.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

Signet Armorlite, Inc. USPTO Patent Assignee Logo
18 Patents

#68 in Carlsbad, CA

#4,293 in California

#17,974 in US

#34,244 in the World

Carlsbad, CA (US)
Carlsbad, CA, United States of America

Signet Armorlite, Inc.

Forward Citations = 326

19 inventors:

goldMedal Thomas J Engardio (11 out of 11 patents)

silverMedal Paul D Schlunt (5 out of 5 patents)

bronzeMedal Dae Ki Kang (4 out of 4 patents)

4.  Philip D Dalsin (4 out of 5 patents)

5.  Prashant Santan (3 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Signet Armorlite, Inc.. Retrieved from https://idiyas.com/company/signet-armorlite

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

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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