Inventor
SCHAEFFER BERNARR C
US4 patents
Patents
4 patentsUS5182158AJan 26, 1993
Lightweight sandwich panel
SCHAEFFER BERNARR C68 citations92
US7120353B2Oct 10, 2006
Infrared sauna
SCHAEFFER BERNARR C22 citations89
US5266379ANov 30, 1993
Tetrahedron filled panels
SCHAEFFER BERNARR C33 citations85
US7142779B2Nov 28, 2006
Infrared sauna
SCHAEFFER BERNARR C6 citations70