RS

Roy E. Shaffer

PP Polyguard Products: 1 patents #1 of 4Top 25%
📍 Bel Air, MD: #11 of 47 inventorsTop 25%
🗺 Maryland: #983 of 3,610 inventorsTop 30%
Overall (2017): #260,696 of 506,227Top 55%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9682534 Chemical resistant waterproofing membranes Nathan E. Young, Steven H. Williams, Brian Shaffer 2017-06-20