Inventor
BROWN CHRISTINE A
US4 patents
Patents
4 patentsUS6994184B2Feb 7, 2006
Stowable ladder configured for installation in an opening
WERNER CO25 citations90
US6991063B2Jan 31, 2006
Stowable ladder configured for installation in an opening
WERNER CO18 citations90
US7234203B2Jun 26, 2007
Locking hinge for folding ladder
WERNER CO8 citations71
US7165649B2Jan 23, 2007
Positioning system for folding ladder and method of installation of folding ladder using positioning system
WERNER CO9 citations71