Patents by Inventor Robert Charles Douthwaite

Robert Charles Douthwaite 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).

  • Patent number: 4003178
    Abstract: A length or panel of welded wire rod mesh with at least one rigid metal strengthening member said length or panel having corrugations or deformed regions at speed intervals to off-set rods extending in the same direction in said corrugated or deformed regions from parallel rods between said corrugated or deformed regions, the said rigid metal strengthening member being passed through at least two corrugated or deformed regions so that said off-set rods lie on one side of the member and the parallel rods between the corrugated or deformed regions lie on the side of said member.
    Type: Grant
    Filed: May 13, 1975
    Date of Patent: January 18, 1977
    Inventor: Robert Charles Douthwaite