Inventor
PLOTNER DAVID E
US8 patents
Patents
8 patentsUSD372105SJul 23, 1996
Ladder pail shelf
WERNER CO19 citations91
US6994184B2Feb 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
US5791439AAug 11, 1998
Ladder, member for connecting a rail to a horizontal element of a ladder, and method, and apparatus and method for holding a washer
WERNER CO17 citations90
US5636706AJun 10, 1997
Ladder, member for connecting a rail to a horizontal element of a ladder, and method
WERNER CO14 citations80
US6142255ANov 7, 2000
Ladder, member for connecting a rail to a horizontal element of a ladder, and method
WERNER CO5 citations72
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