Patents by Inventor Robert P. DeHart

Robert P. DeHart 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).

  • Process and composition for abrading pre-finished surfaces
    Patent number: 6663467
    Abstract: An abrading composition and a process for abrading factory pre-finished surface coverings, wherein the abrading composition comprises an effective amount of wear-resistant particles, a rheology modifier, and a solvent. This invention further relates to a process to abrade wood floor surfaces and factory pre-finished wood floor surfaces, as well as a process for refinishing a factory pre-finished wood floor using the abrading composition.
    Type: Grant
    Filed: January 10, 2003
    Date of Patent: December 16, 2003
    Assignee: The Sherwin-Williams Company
    Inventors: George R. Mayerhauser, William J. Fernandez, Jr., Michael T. Triolo, Robert P. DeHart
  • Process and composition for abrading pre-finished surfaces
    Publication number: 20030148708
    Abstract: An abrading composition and a process for abrading factory pre-finished surface coverings, wherein the abrading composition comprises an effective amount of wear-resistant particles, a rheology modifier, and a solvent. This invention further relates to a process to abrade wood floor surfaces and factory pre-finished wood floor surfaces, as well as a process for refinishing a factory pre-finished wood floor using the abrading composition.
    Type: Application
    Filed: January 10, 2003
    Publication date: August 7, 2003
    Applicant: The Sherwin-Williams Company
    Inventors: George R. Mayerhauser, William J. Fernandez, Michael T. Triolo, Robert P. DeHart