Patents by Inventor Mark William Wichmann

Mark William Wichmann 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 separating film from x-ray cassettes
    Patent number: 5678303
    Abstract: The present invention relates to apparatus for separating sheets from substrates without substantially moving the sheets and, specifically where the sheets are sheets of X-ray film and the substrates are screens found in conventional X-ray cassettes.
    Type: Grant
    Filed: May 24, 1993
    Date of Patent: October 21, 1997
    Assignee: Sterling Diagnostic Imaging, Inc.
    Inventor: Mark William Wichmann