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Inventor

WINSLOW DAVID A

US9 patents
⚠️ This page may combine multiple inventors who share the name “WINSLOW DAVID A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DANGROW JOSEPH C

4 patents
US8616336B2Dec 31, 2013

Method for a ladder with a ladder leveler

DANGROW JOSEPH C5 citations82
US8261882B2Sep 11, 2012

Ladder leveler and method

DANGROW JOSEPH C5 citations71
US8256573B2Sep 4, 2012

Ladder leveler and method

DANGROW JOSEPH C3 citations60
US10760337B2Sep 1, 2020

Ladder leveler and method

DANGROW JOSEPH C0 citations50

WERNER CO

2 patents
US7306075B2Dec 11, 2007

Dynamic hinge for ladder

WERNER CO24 citations91
US7165649B2Jan 23, 2007

Positioning system for folding ladder and method of installation of folding ladder using positioning system

WERNER CO9 citations71

PARKER THOMAS W

2 patents
US9272168B2Mar 1, 2016

Energy absorbers, connectors and horizontal lifeline systems

PARKER THOMAS W8 citations82
US10072689B2Sep 11, 2018

Stanchion systems, stanchion attachment systems, and horizontal lifeline systems including stanchion systems

PARKER THOMAS W3 citations71

WINSLOW DAVID A

1 patent
US8490747B2Jul 23, 2013

Telescoping project tray

WINSLOW DAVID A21 citations83