DL

Dennis Mark Lettkeman

UG United States Gypsum: 1 patents #23 of 83Top 30%
📍 Broken Arrow, OK: #17 of 48 inventorsTop 40%
🗺 Oklahoma: #284 of 1,063 inventorsTop 30%
Overall (2020): #492,502 of 565,922Top 90%
1
Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10662114 Ultra-light cementitious compositions and related methods John W. Wilson, William Kelly Bedwell, Gary F. Miller, Raymond A. Kaligian 2020-05-26