Patents by Inventor Randall T. Wingerter

Randall T. Wingerter 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: 4897520
    Abstract: Disclosed is a method and apparatus for removing debris caused during laser rimming of films. A vacuum scoop is attached to a movable head which contains the laser optical components. The scoop removes the debris as it is generated and therefore keeps the trimming apparatus essentially clean.
    Type: Grant
    Filed: October 31, 1988
    Date of Patent: January 30, 1990
    Assignee: American Telephone and Telegraph Company, AT&T Technologies, Inc.
    Inventors: Ronald H. Carter, Brian F. Walker, Michael J. West, Randall T. Wingerter