Patents by Inventor Michael Levins

Michael Levins 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).

  • Puzzle book rack
    Patent number: 5971165
    Abstract: The present invention provides a book rack formed from interlocking puzzle pieces.
    Type: Grant
    Filed: June 22, 1998
    Date of Patent: October 26, 1999
    Assignee: Innovative USA, Inc.
    Inventor: Michael Levins
  • Magnetic manipulatives book
    Patent number: 5820383
    Abstract: A book having at least one fold out page with a metal insert which assists the placement or arrangement of magnetic manipulatives onto a page of the book.
    Type: Grant
    Filed: April 30, 1997
    Date of Patent: October 13, 1998
    Assignee: Innovative USA, Inc.
    Inventor: Michael Levins
  • Book display box
    Patent number: 5664676
    Abstract: A display book box is disclosed which is useful for carrying a relatively large book and which is constructed in a manner such that when it is opened it can function as a display easel for the book contained therein. The display box also provides punch out supports and an insert piece to support one or more books.
    Type: Grant
    Filed: October 1, 1996
    Date of Patent: September 9, 1997
    Inventor: Michael Levins