MH

Mark Hemphill

UG United States Gypsum: 3 patents #1 of 23Top 5%
📍 Hawthorn Woods, IL: #3 of 24 inventorsTop 15%
🗺 Illinois: #806 of 8,447 inventorsTop 10%
Overall (2024): #75,675 of 561,600Top 15%
3
Patents 2024

Issued Patents 2024

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11999658 High salt gypsum wallboard containing salt absorbents and methods of making same Qinghua Li 2024-06-04
11993054 Method of preparing gypsum wallboard from high salt gypsum, and related product Qinghua Li 2024-05-28
11891336 Gypsum board containing high absorption paper and related methods Qinghua Li 2024-02-06