DG

Douglas M. Grossman

QP Q-Panel Lab Products: 5 patents #1 of 7Top 15%
📍 Fairview Park, OH: #26 of 133 inventorsTop 20%
🗺 Ohio: #13,499 of 73,341 inventorsTop 20%
Overall (All Time): #875,497 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
7043974 Multiple-blower relative humidity controlled test chamber Gregory Fedor, William Wurst, Danny J. Fayak 2006-05-16
6892591 Multiple-blower relative humidity controlled test chamber Gregory Fedor, William Wurst, Danny J. Fayak 2005-05-17
6679095 Multi-test gravelometer Steven J. Grossman, Gary J. Billington 2004-01-20
6525493 Materials test chamber with xenon lamp radiation Kenneth A. Roll, Gregory Fedor 2003-02-25
6285137 Materials test chamber with xenon lamp radiation Kenneth A. Roll, Gregory Fedor 2001-09-04
5206518 Accelerated weathering apparatus Gregory Fedor 1993-04-27