Patents by Inventor Michael Maltzan

Michael Maltzan 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).

  • Door knob
    Patent number: D629277
    Type: Grant
    Filed: March 18, 2010
    Date of Patent: December 21, 2010
    Assignee: Michael Maltzan Architecture
    Inventor: Michael Maltzan
  • Door handle
    Patent number: D733518
    Type: Grant
    Filed: February 21, 2014
    Date of Patent: July 7, 2015
    Assignee: MICHAEL MALTZAN ARCHITECTURE, INC.
    Inventor: Michael Maltzan