RH

Robert B. Holland

AV Air Vent: 1 patents #1 of 2Top 50%
📍 Rowlett, TX: #8 of 22 inventorsTop 40%
🗺 Texas: #5,205 of 15,368 inventorsTop 35%
Overall (2018): #260,300 of 503,207Top 55%
1
Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9890965 Roof ridge vent and ventilated roof employing same Andrew Frederick Lindahl 2018-02-13