Inventor
KLINGENSMITH WILLIAM
US4 patents
Patents
4 patentsUS7588653B2Sep 15, 2009
Method of making an integrated window sash
PPG IND OHIO INC64 citations97
US7997037B2Aug 16, 2011
Integrated window sash with groove for desiccant material
PPG IND OHIO INC55 citations93
US7765769B2Aug 3, 2010
Integrated window sash with lattice frame and retainer clip
PPG IND OHIO INC22 citations92
US7490445B2Feb 17, 2009
Integrated window sash
PPG IND OHIO INC44 citations92