Patents by Inventor Angela R. Crist

Angela R. Crist 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: D314593
    Type: Grant
    Filed: March 14, 1988
    Date of Patent: February 12, 1991
    Inventors: Angela R. Crist, Ronald L. Brookshire