Patents by Inventor Raymond A. Hof

Raymond A. Hof 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).

  • Remote sterilization monitor
    Patent number: 5745039
    Abstract: A remote sterilization indicator is described. The indicator allows a sterilization cycle to be monitored without the need to visually inspect the indicator.
    Type: Grant
    Filed: February 21, 1997
    Date of Patent: April 28, 1998
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Craig R. Hof, Gary Focarino, Samuel David Lannigan, Raymond A. Hof