Patents by Inventor Kevin Villalobos

Kevin Villalobos 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).

  • Dermal exposure testing method and apparatus therefor
    Patent number: 5243865
    Abstract: Propellable apparatus for use in sampling for the contact transfer of a chemical residue on a surface comprising a frame having shoulders with movable supports at one end thereof and having mounted on the other end a roller having thereon a cylindrical layer of a resilient material with chemical residue contact transfer absorption properties similar to human skin, the roller being pivotably mounted such that a desired constant pressure, based on the weight of the roller, is maintained regardless of pressure applied to the shoulder to propel the apparatus.
    Type: Grant
    Filed: October 2, 1992
    Date of Patent: September 14, 1993
    Assignee: Southwest Research Institute
    Inventors: Jong-Ryng Hsu, David E. Camann, Kevin Villalobos