Patents by Inventor Roy Ritter

Roy Ritter 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).

  • Screen system allowing easy disassembly
    Patent number: 7470179
    Abstract: A screen system which can be easily disassembled and includes a screen, a frame supporting the screen where the frame includes a hook, and a housing supporting the frame. The housing defines a retainer which interacts with the hook whereby upon rotation of the frame in a first direction the hook engages the retainer and upon rotation of the frame in a second direction the hook disengages the retainer allowing disassembly of the screen system. The screen system may be part of a ventilation system.
    Type: Grant
    Filed: February 2, 2004
    Date of Patent: December 30, 2008
    Assignee: Philips Products, Inc.
    Inventors: Roy Ritter, Robert J. Luter, II