Patents by Inventor Algimantis J. Gabrius

Algimantis J. Gabrius 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).

  • Method of and apparatus for mounting playfield window
    Patent number: 4406457
    Abstract: A pinball machine having multi-level playfields with a transparent window mounted in at least an upper level playfield to allow observation therethrough to a lower level playfield. The window is mounted on a ledge in an opening in the upper level playfield with compressible rings and screws extending through the window, rings and ledge to compress said rings until the window is in the same plane as said playfield.
    Type: Grant
    Filed: July 31, 1981
    Date of Patent: September 27, 1983
    Assignee: D. Gottlieb & Co.
    Inventors: Algimantis J. Gabrius, John W. Buras
  • Back cabinet for pinball game
    Patent number: D273597
    Type: Grant
    Filed: October 19, 1981
    Date of Patent: April 24, 1984
    Assignee: D. Gottlieb & Co.
    Inventors: John W. Buras, Adolf Seitz, Algimantis J. Gabrius