Patents by Inventor Sandra Randolph

Sandra Randolph has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Ladder guard
    Patent number: 9410373
    Abstract: A ladder guard secured between the rungs and stringers of the ladder to prevent use of the rungs as footholds or handholds and deter ascension of the ladder, especially by children. The ladder guard is constructed from compressible material of a desired resiliency allows an adult to deform the invention for insertion or removal between two adjacent stringers.
    Type: Grant
    Filed: June 11, 2011
    Date of Patent: August 9, 2016
    Inventor: Sandra Randolph
  • Ladder Guard
    Publication number: 20120312635
    Abstract: A ladder guard secured between the rungs and stringers of the ladder to prevent use of the rungs as footholds or handholds and deter ascension of the ladder, especially by children. The ladder guard is constructed from compressible material of a desired resiliency allows an adult to deform the invention for insertion or removal between two adjacent stringers.
    Type: Application
    Filed: June 11, 2011
    Publication date: December 13, 2012
    Inventor: Sandra Randolph