Patents by Inventor John M. Lucak

John M. Lucak 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).

  • Finishing tile
    Patent number: 4821479
    Abstract: A finishing tile approximately wedge-shaped in plan has upper and lower, planar surfaces and side edge surfaces extending radially with respect to a center and has inner and outer edge surfaces arcuate about the same center. The side edge surfaces have projecting and radially spaced positioning lugs. Preferably, the inner tile edge is down-turned beyond the lower tile surface.
    Type: Grant
    Filed: August 2, 1984
    Date of Patent: April 18, 1989
    Inventor: John M. Lucak