Patents by Inventor Matthew D Sass

Matthew D Sass 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).

  • Gas monitor and remote display
    Patent number: D558622
    Type: Grant
    Filed: March 7, 2007
    Date of Patent: January 1, 2008
    Assignee: ChemDAQ Inc
    Inventors: David M Hilliker, Matthew D Sass, Joseph H Spiegel, P. Richard Warburton