AS

Alfred E. Steck

BS Ballard Power Systems: 12 patents #8 of 467Top 2%
Overall (All Time): #381,145 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9534723 Method of brazing, in particular induction brazing, and assembly 2017-01-03
6723758 Graft polymeric membranes and ion-exchange membranes formed therefrom Charles Stone, Biswajit Choudhury 2004-04-20
6437011 &agr;,&bgr;, &bgr;-trifluorostyrene-based composite membranes Charles Stone 2002-08-20
6359019 Graft polymeric membranes and ion-exchange membranes formed therefrom Charles Stone 2002-03-19
6258861 .alpha.,.beta.,.beta.-trifluorostyrene-based composite membranes Charles Stone 2001-07-10
5985942 .alpha., .beta., .beta.-trifluorostyrene-based composite membranes Charles Stone 1999-11-16
5834523 Substituted .alpha.,.beta.,.beta.-trifluorostyrene-based composite membranes Charles Stone 1998-11-10
5773480 Trifluorostyrene and substituted trifluorostyrene copolymeric compositions and ion-exchange membranes formed therefrom Charles Stone, Jinzhu Wei 1998-06-30
5684192 Substituted trifluorostyrene monomeric compositions Charles Stone, Robert Daniel Lousenberg 1997-11-04
5602185 Substituted trifluorostyrene compositions Charles Stone, Robert Daniel Lousenberg 1997-02-11
5498639 Trifluorostyrene and substituted trifluorostyrene copolymeric ion-exchange membranes Jinzhu Wei, Charles Stone 1996-03-12
5464700 Gasketed membrane electrode assembly for electrochemical fuel cells Jinzhu Wei 1995-11-07
5422411 Trifluorostyrene and substituted trifluorostyrene copolymeric compositions and ion-exchange membranes formed therefrom Jinzhu Wei, Charles Stone 1995-06-06