DK

David D. Kragten

SI Specialty Granules Investments: 1 patents #5 of 5Top 100%
📍 Williamsport, MD: #1 of 1 inventorsTop 100%
🗺 Maryland: #1,063 of 3,824 inventorsTop 30%
Overall (2023): #472,710 of 537,848Top 90%
1
Patents 2023

Issued Patents 2023

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11718991 Coated roofing granules, roofing materials made therefrom and methods of preparing coated roofing granules Daniel E. Rardon 2023-08-08