DH

David Hagelgans

CG Certainteed Gypsum: 2 patents #35 of 75Top 50%
TA Takata-Petri Ag: 1 patents #107 of 249Top 45%
Overall (All Time): #1,392,669 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11655635 Plaster boards having internal layers and methods for making them James Dimitrakopoulos, Vincent Infante, John Bridenstine, David William Pugh, Ying-Tung Wang +1 more 2023-05-23
11124965 Plaster boards having internal layers and methods for making them James Dimitrakopoulos, Vincent Infante, John Bridenstine, David William Pugh, Ying-Tung Wang +1 more 2021-09-21
8042830 Device for snap-fastening an airbag unit in a subassembly of a motor vehicle, especially in a steering wheel Alexander Weimer, Alexander Krieger, Steffen Weigand 2011-10-25