Patents by Inventor Michael Cearns

Michael Cearns 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).

  • Multiple compartment waste container
    Patent number: D331302
    Type: Grant
    Filed: December 12, 1990
    Date of Patent: November 24, 1992
    Assignee: 423092 Alberta Ltd.
    Inventors: Brian Clapp, Michael Cearns, Norman Welsh