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For the Inventor, By the Inventor

Charlotte, NC, United States of America

National Gypsum Properties, LLC


USPTO Granted Patents = 44



Trademarks = 84

Forward Citations = 451

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63 inventors (with patents filed for the assignee):

goldMedal Gopalakrishnan Sethuraman (11 out of 11 patents)

silverMedal Amba Ayambem (10 out of 34 patents)

bronzeMedal Eli Stav (6 out of 24 patents)

4.  Joseph J Bailey (5 out of 28 patents)

5.  W Roy Burke (5 out of 8 patents)

6.  Karen Fey (4 out of 7 patents)

7.  Ma-Ikay Miatudila (3 out of 11 patents)

8.  Marie-Andrée Mathieu (3 out of 3 patents)

9.  Brian G Randall (3 out of 19 patents)

10.  Richard J Romanek (3 out of 4 patents)

11.  Richard E Smith (3 out of 12 patents)

12.  Gopalakrisnan Sethuraman (2 out of 4 patents)

13.  Michael N Blades (2 out of 10 patents)

14.  John M Watt (2 out of 5 patents)

15.  John E Yakowenko (2 out of 5 patents)


Core Competencies:
Lightweight Cementitious Panels
Gypsum Wallboard
Sound Damping Wallboard
Gypsum Slurries
Low Dust Joint Compound
Foil-Backed Wallboard
Gypsum Composition
Reinforced Longitudinal Edge
Calcium Sulfate Alpha-Hemihydrate
Composite Structural Member
Joint Treatment Formulation
Stucco Conditioning

44 patents:

1. 10676927 - Lightweight cementitious panel possessing high durability (2020-06-09),
2. 10662119 - Gypsum wallboard slurry and method for making the same (2020-05-26),
3. 10562206 - Cementitious panels, and systems and methods for manufacturing cementitious panels (2020-02-18),
4. 10519650 - Sound damping wallboard and method of forming a sound damping wallboard (2019-12-31),
5. 10125049 - Gypsum slurries and boards and methods of making the same (2018-11-13),
6. 9914245 - Controlling the embedding depth of reinforcing mesh to cementitious board (2018-03-13),
7. 9909304 - Sound damping wallboard and method of forming a sound damping wallboard (2018-03-06),
8. 9889579 - Gypsum wallboard and method of making same (2018-02-13),
9. 9878950 - Liquid gypsum set accelerator (2018-01-30),
10. 9676118 - Formation of cementitious board with lightweight aggregate (2017-06-13),
11. 9643887 - Low dust joint compound and method of making the same (2017-05-09),
12. 9523198 - Gypsum wallboard and method of making same (2016-12-20),
13. 9499980 - Lightweight cementitious panel possessing high durability background (2016-11-22),
14. 9221719 - Gypsum wallboard slurry and method for making the same (2015-12-29),
15. 9221026 - Method and system for stucco conditioning (2015-12-29),
National Gypsum Properties, LLC is a real estate investment company specializing in the acquisition, development, and management of industrial and commercial properties. With a focus on industrial warehouses, manufacturing facilities, and office buildings, we provide flexible solutions to meet the unique needs of our clients. Our experienced team is dedicated to delivering exceptional value through strategic investments and efficient property management. Visit our website to learn more about our portfolio and how we can assist your real estate requirements.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 30 2025

44 Patents

#36 in Charlotte, NC

#177 in North Carolina

#7,674 in US

#15,296 in the World

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Charlotte, NC, United States of America

National Gypsum Properties, LLC

Forward Citations = 451

63 inventors:

goldMedal Gopalakrishnan Sethuraman (11 out of 11 patents)

silverMedal Amba Ayambem (10 out of 34 patents)

bronzeMedal Eli Stav (6 out of 24 patents)

4.  Joseph J Bailey (5 out of 28 patents)

5.  W Roy Burke (5 out of 8 patents)

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