Patents by Inventor Ronald J. Ramirez

Ronald J. Ramirez 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).

  • Coextruded pressure-sensitive adhesive tape and method of making
    Patent number: 5660922
    Abstract: A unified, composite tape structure is provided. The tape comprises two outer pressure-sensitive adhesive layers joined via melt processing. A method of making the tape comprising the use of melt processing is also disclosed. In the method a plurality of layers are melt processed and simultaneously joined to form the unified composite.
    Type: Grant
    Filed: May 3, 1995
    Date of Patent: August 26, 1997
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: David B. Herridge, Dennis L. Krueger, Richard J. Rolando, Ronald J. Ramirez, James E. Sax