DY

David W. Yarbrough

GP Guardian Building Products: 1 patents #4 of 4Top 100%
NP National Gypsum Properties: 1 patents #32 of 63Top 55%
📍 Cookeville, TN: #126 of 316 inventorsTop 40%
🗺 Tennessee: #7,532 of 20,272 inventorsTop 40%
Overall (All Time): #2,037,976 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9163397 Foil-backed wallboard and insulation system Jennifer M. Willson, John W. Mixson 2015-10-20
7748197 Method and/or system for compensating for effects of heat flow and/or air flow through fiberglass insulation Gary E. Romes 2010-07-06