Patents by Inventor Robert J. Shem

Robert J. Shem 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).

  • Apparatus for cyanoacrylate fingerprint developing and method of use therefore
    Patent number: 5424092
    Abstract: A housing for developing latent fingerprints is formed by positioning a thermally stable porous support material in a hollow tubular member and impregnating the support material with a liquid cyanoacrylate which is allowed to cure. The housing can be placed on an end of a portable heating device having sufficient heat to vaporize the cyanoacrylate and project the vapors against an object to be tested for latent fingerprints.
    Type: Grant
    Filed: August 4, 1994
    Date of Patent: June 13, 1995
    Assignee: State of Alaska, Dept. of Public Safety
    Inventors: David E. Weaver, Everett J. Clary, Robert J. Shem, George M. Taft, Jr.