DK

David D. Kragten

SI Specialty Granules Investments: 1 patents #2 of 7Top 30%
📍 Williamsport, MD: #1 of 2 inventorsTop 50%
🗺 Maryland: #1,021 of 3,699 inventorsTop 30%
Overall (2024): #494,263 of 561,600Top 90%
1
Patents 2024

Issued Patents 2024

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12084864 Coated roofing granules, roofing materials made therefrom and methods of preparing coated roofing granules Daniel E. Rardon 2024-09-10