Patents by Inventor Steven H. Kulpa

Steven H. Kulpa 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: D278711
    Type: Grant
    Filed: September 23, 1982
    Date of Patent: May 7, 1985
    Assignee: AT&T Bell Laboratories
    Inventors: Randall S. Duell, Steven H. Kulpa, Justin M. Maguire, Jr., Alan C. Schoneck, Gordon E. Sylvester