Patents by Inventor C. Andrew Pretzer

C. Andrew Pretzer 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).

  • Emergency medical backboard
    Patent number: D358652
    Type: Grant
    Filed: November 15, 1993
    Date of Patent: May 23, 1995
    Assignee: Najo, Inc.
    Inventor: C. Andrew Pretzer