Patents by Inventor Walter Ivkovich, Jr.

Walter Ivkovich, Jr. 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).

  • Method of forming a floor mat with phosphorescent border
    Patent number: 5695696
    Abstract: Floor mats and methods for producing such mats having wear resistant phosphorescent borders that emit light after removal of ambient light so that the mat edges are visible in the event of a power failure in the facility where the mat is used. The mat border may also contain a bright pigment in the border regions and a contrasting pigment in other regions to make the border visually distinctive under normal lighting conditions. The mats may be produced from solid or foamed polyvinyl chloride materials.
    Type: Grant
    Filed: October 16, 1995
    Date of Patent: December 9, 1997
    Assignee: Interface, Inc.
    Inventors: Connie Daniel Hensler, Gilbert Searle Nowell, James Richard May, Walter Ivkovich, Jr.
  • Floor mat with phosphorescent border
    Patent number: 5637378
    Abstract: Floor mats and methods for producing such mats having wear resistant phosphorescent borders that emit light after removal of ambient light so that the mat edges are visible in the event of a power failure in the facility where the mat is used. The mat border may also contain a bright pigment in the border regions and a contrasting pigment in other regions to make the border visually distinctive under normal lighting conditions. The mats may be produced from solid or foamed polyvinyl chloride materials.
    Type: Grant
    Filed: December 19, 1994
    Date of Patent: June 10, 1997
    Assignee: Interface, Inc.
    Inventors: Connie D. Hensler, Gilbert S. Nowell, James R. May, Walter Ivkovich, Jr.