DG

David R. Gehman

Rohm And Haas: 3 patents #655 of 2,359Top 30%
📍 Harleysville, PA: #129 of 322 inventorsTop 45%
🗺 Pennsylvania: #23,606 of 74,527 inventorsTop 35%
Overall (All Time): #1,682,341 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4477622 Contact adhesives F. Thomas. Sanderson 1984-10-16
4203859 Solubilized acrylic polymers and carpet shampoos containing the same William A. Kirn 1980-05-20
4196190 Acrylic hair setting resins having high resistance to moisture and rapid removability from the hair with shampoo William A. Kirn 1980-04-01