Patents by Inventor Efrain Lopez

Efrain Lopez 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).

  • Tire buffing blade
    Patent number: 4287648
    Abstract: A bidirectional buffing blade for tire rasps with cutting and dragging teeth of the same configuration with reduced drag, improved heat transfer and cutting teeth with a substantially constant radial rake angle and land width which does not change with wear.
    Type: Grant
    Filed: March 24, 1980
    Date of Patent: September 8, 1981
    Assignee: AMF Incorporated
    Inventors: James R. Hineborg, Efrain Lopez