DH

David R. Hartman

📍 Brighton, MI: #20 of 77 inventorsTop 30%
🗺 Michigan: #1,960 of 6,781 inventorsTop 30%
Overall (2011): #323,298 of 364,097Top 90%
1
Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8039058 Methods of forming gypsum facers and gypsum boards incorporating gypsum facers Dale Grove 2011-10-18