Patents by Inventor David DeGonla

David DeGonla 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).

  • Lubricant composition
    Publication number: 20070142248
    Abstract: A lubricating composition including a viscosity index improver and at least one of a sterically hindered sulfur-containing, phosphorus-containing compound, and its salt is disclosed.
    Type: Application
    Filed: March 9, 2006
    Publication date: June 21, 2007
    Inventors: David DeGonla, Chip Hewette, Roger Sheets, Ronald Phillips