Patents by Inventor M. Angela Beck

M. Angela Beck 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: 5411034
    Abstract: A condom including three layers, first and third layers which are of elastomeric material with a second layer sandwiched between the first and third layers including a colorless, air sensitive material. When the colorless, air sensitive material is exposed to air because of a rupture in said first or third layers of said condom, the colorless, air sensitive material changes color to alert the user that the integrity of the condom is compromised.
    Type: Grant
    Filed: August 12, 1994
    Date of Patent: May 2, 1995
    Inventors: R. Bruce Beck, M. Angela Beck