DW

David Allen Wald

3M: 4 patents #3,441 of 11,543Top 30%
Overall (All Time): #1,223,739 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8343682 Membrane electrode assembly with compression control gasket Michael A. Yandrasits 2013-01-01
7553578 Fuel cell membrane electrode assembly with sealing surfaces Jimmy M. Le, Michael A. Yandrasits, Paul Boucher 2009-06-30
7217471 Membrane electrode assembly with compression control gasket Michael A. Yandrasits 2007-05-15
7087339 Fuel cell membrane electrode assembly with sealing surfaces Jimmy M. Le, Michael A. Yandrasits, Paul Boucher 2006-08-08