Patents by Inventor Mark W. Ward

Mark W. Ward 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).

  • Device to prevent noise in ladder rung assemblies
    Publication number: 20100258376
    Abstract: The invention is a device intended to be inserted into the hollow rungs of a ladder. The purpose of the invention is to prevent the rungs from having tube resonances during transport.
    Type: Application
    Filed: April 8, 2010
    Publication date: October 14, 2010
    Inventor: Mark W. Ward