Patents by Inventor Ernest J. Lukaszewski

Ernest J. Lukaszewski 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).

  • Microscope
    Patent number: D296904
    Type: Grant
    Filed: October 11, 1985
    Date of Patent: July 26, 1988
    Assignee: Warner Lambert Technologies, Inc.
    Inventor: Ernest J. Lukaszewski
  • Ophthalmic refractor
    Patent number: D374720
    Type: Grant
    Filed: June 8, 1995
    Date of Patent: October 15, 1996
    Inventor: Ernest J. Lukaszewski