Patents by Inventor Boris Kralevich

Boris Kralevich 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).

  • Patent number: D249574
    Type: Grant
    Filed: January 28, 1977
    Date of Patent: September 19, 1978
    Inventor: Boris Kralevich
  • Patent number: D253779
    Type: Grant
    Filed: March 16, 1978
    Date of Patent: December 25, 1979
    Inventor: Boris Kralevich
  • Patent number: D253788
    Type: Grant
    Filed: April 26, 1978
    Date of Patent: December 25, 1979
    Inventor: Boris Kralevich
  • Patent number: D257441
    Type: Grant
    Filed: January 8, 1979
    Date of Patent: October 21, 1980
    Inventor: Boris Kralevich