Patents by Inventor Donald Klus

Donald Klus 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).

  • Fire resistant file cabinets and safes, and method of manufacture thereof
    Publication number: 20060181184
    Abstract: Fire-rated file cabinets and safes manufactured by positioning sections of rigid, fire-resistant board into a fire-resistant frame.
    Type: Application
    Filed: February 16, 2005
    Publication date: August 17, 2006
    Applicant: G-P Gypsum Corp.
    Inventor: Donald Klus