Patents by Inventor Douglas Mark Cantis

Douglas Mark Cantis 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).

  • Barricade system and barricade bracket for use therein
    Patent number: 7509702
    Abstract: A protective barricade system to prevent persons from accidentally falling through holes in roofs or floors or from the edges of stairwells, balconies, or pitched roofs. The barricade system comprises a plurality of barricade brackets that are spaced apart and can be releasably attached to the underlying surface.
    Type: Grant
    Filed: October 24, 2005
    Date of Patent: March 31, 2009
    Assignee: The United States of America as represented by the Secretary of the Department of Health and Human Services, c/o Centers for Disease Control and Prevention
    Inventors: Douglas Mark Cantis, Eugene Anthony McKenzie, Jr., Thomas Gordon Bobick, Herbert David Edgell, III