Patents by Inventor Dawn J. Tudryn

Dawn J. Tudryn 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).

  • Process for high contrast marking on surfaces using lasers
    Patent number: 5609778
    Abstract: A process for forming parabolic micro-reflectors on an object includes the steps of placing the object proximate to a transfer lens system, shining a laser beam through the lens system, a mask and a wobble plate and onto the object, the wobble plate wobbling the laser beam such that a parabolic shaped micro-reflector is formed on the object.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: March 11, 1997
    Assignee: International Business Machines Corporation
    Inventors: Doris P. Pulaski, Richard T. Anderson, Christopher L. Tessler, Stephen J. Tirch, III, Dawn J. Tudryn