Patents by Inventor Alan Gremchuck

Alan Gremchuck 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).

  • Toilet paper container
    Patent number: D394178
    Type: Grant
    Filed: April 16, 1997
    Date of Patent: May 12, 1998
    Inventor: Alan Gremchuck
  • Speaker
    Patent number: D397115
    Type: Grant
    Filed: January 5, 1996
    Date of Patent: August 18, 1998
    Inventor: Alan Gremchuck
  • Triangular speaker
    Patent number: D401582
    Type: Grant
    Filed: January 5, 1996
    Date of Patent: November 24, 1998
    Inventor: Alan Gremchuck
  • Speaker
    Patent number: D403680
    Type: Grant
    Filed: January 5, 1996
    Date of Patent: January 5, 1999
    Inventor: Alan Gremchuck