Patents by Inventor Lawrence William Leonard

Lawrence William Leonard 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).

  • Vinyl coated hot galvanized driven fasteners and method for manufacture thereof
    Publication number: 20080148670
    Abstract: Nails are manufactured using a sequence of steps including hot galvanizing of the nails with a zinc/tin/flux composition followed by vinyl coating to provide fasteners which resist corrosion that may result from chemically treated wood and cement infused materials.
    Type: Application
    Filed: October 5, 2006
    Publication date: June 26, 2008
    Applicant: Keystone Consolidated Industries, Inc.
    Inventors: Walter Paul Kretzler, Lawrence William Leonard