DC

David H. Clemens

Rohm And Haas: 2 patents #861 of 2,359Top 40%
📍 Willow Grove, PA: #43 of 135 inventorsTop 35%
🗺 Pennsylvania: #30,495 of 74,527 inventorsTop 45%
Overall (All Time): #2,334,257 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4886606 Method of purifying condensate waters for steam regenerating equipment Marvin J. Hurwitz, Robert W. Walker 1989-12-12
4248797 Preparation, polymerization, and use of new bis-vinylbenzyl nitrogenous monomers Frank J. Glavis 1981-02-03