Patents Represented by Attorney Les H. Birnbaum
  • 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