• Inventors:
  • Assignees:
  • Publication Date: December 31, 1969
  • Publication Number:

Patent Citations (0)

    Publication numberPublication dateAssigneeTitle

NO-Patent Citations (0)

    Title

Cited By (13)

    Publication numberPublication dateAssigneeTitle
    CN-103924915-AJuly 16, 2014维尔纳公司具有锁闩和栓钉的梯子及其定位方法
    US-2006070808-A1April 06, 2006Werner Co.Step stool latch
    US-2011147123-A1June 23, 2011New-Tec Integration(Xiamen) Co.,Ltc.Top tread for aluminum ladder
    US-2011209946-A1September 01, 2011New-Tec Integration(Xiamen) Co., Ltd.Step stool
    US-2015159434-A1June 11, 2015New-Tec Integration (Xiamen) Co., Ltd.Hinged connection element of a folding ladder
    US-2015211297-A1July 30, 2015Werner Co.Stepladder with Latch Stud and Method
    US-2017321482-A1November 09, 2017Tricam Industries, Inc.Latch for ladder or step stool
    US-8684139-B2April 01, 2014New-Tec Integration (Xiamen) Co., Ltd.Step stool
    US-8997931-B2April 07, 2015Werner Co.Stepladder with latch stud and method
    US-9488002-B2November 08, 2016Werner Co.Stepladder with latch stud and method
    US-9869125-B2January 16, 2018Tricam Industries, Inc.Latch for ladder or step stool
    US-D785981-SMay 09, 2017Trinity Capital Ventures, LLCAccessory stand
    WO-2010051764-A1May 14, 2010Leng Luhao一种梯凳