Patents by Inventor Alvin Barber Stiles

Alvin Barber Stiles 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).

  • Patent number: 3993597
    Abstract: A catalyst composition for coating surfaces of cooking devices exposed to cooking residues is disclosed.
    Type: Grant
    Filed: February 26, 1975
    Date of Patent: November 23, 1976
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Alvin Barber Stiles