Patents by Inventor Linus O. Mbanugo

Linus O. Mbanugo 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).

  • Patent number: 5303472
    Abstract: An apparatus to effect the dicing of credit cards to prevent their inadvertent and unauthorized use is provided to include confronting faces, with the first face of a first housing having a matrix of lug members in a parallel relationship received within lug openings defined by orthogonally intersecting rows of first and second cutter blades. The apparatus is arranged to include slide drawer structure to permit the selective accommodation for disposal of the pieces thusly cut.
    Type: Grant
    Filed: January 26, 1993
    Date of Patent: April 19, 1994
    Inventor: Linus O. Mbanugo