Patents by Inventor David T. Schaafsma

David T. Schaafsma 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).

  • Infrared optical fiber coupler
    Patent number: 5949935
    Abstract: An infrared fiber optic coupler and a method for making an infrared fiber optic coupler are disclosed.
    Type: Grant
    Filed: November 26, 1997
    Date of Patent: September 7, 1999
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: David T. Schaafsma, Jasbinder S. Sanghera