Patents by Inventor Mark L. Roush

Mark L. Roush 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).

  • Luminaire
    Patent number: D300670
    Type: Grant
    Filed: November 28, 1986
    Date of Patent: April 11, 1989
    Assignee: Manville Corporation
    Inventors: Robert L. Ewing, Douglas S. Hammond, Mark L. Roush
  • Luminaire
    Patent number: D300671
    Type: Grant
    Filed: November 28, 1986
    Date of Patent: April 11, 1989
    Assignee: Manville Corporation
    Inventors: Robert L. Ewing, Douglas S. Hammond, James L. Leary, David G. Meredith, Mark L. Roush