DL

Dennis Mark Lettkeman

UG United States Gypsum: 2 patents #13 of 62Top 25%
📍 Broken Arrow, OK: #11 of 55 inventorsTop 20%
🗺 Oklahoma: #116 of 1,012 inventorsTop 15%
Overall (2019): #178,329 of 560,194Top 35%
2
Patents 2019

Issued Patents 2019

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10260241 Resilient wallboard mounting channel accommodating standard fasteners Raymond A. Kaligian, Peter A. MacDonald, Brett Fleury, Randy Mullet 2019-04-16
10221100 Pourable compositions Michael Intorcia 2019-03-05