Patents by Inventor Sumner Adams

Sumner Adams 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).

  • Cantilever chair frame
    Patent number: D608103
    Type: Grant
    Filed: March 1, 2007
    Date of Patent: January 19, 2010
    Inventors: Sumner Adams, Lon Amerman, Dan Seiler
  • Chair with cross frame chassis
    Patent number: D609489
    Type: Grant
    Filed: March 1, 2007
    Date of Patent: February 9, 2010
    Assignee: Royal Seating, LLC
    Inventors: Sumner Adams, Lon Amerman, Dan Seiler
  • Desk frame
    Patent number: D609506
    Type: Grant
    Filed: March 1, 2007
    Date of Patent: February 9, 2010
    Assignee: Royal Seating, LLC
    Inventors: Sumner Adams, Lon Amerman, Dan Seiler
  • Open front desk with translucent receptacle
    Patent number: D618934
    Type: Grant
    Filed: March 1, 2007
    Date of Patent: July 6, 2010
    Assignee: Royal Seating, LLC
    Inventors: Sumner Adams, Lon Amerman, Dan Seiler
  • Cantilever desk
    Patent number: D627178
    Type: Grant
    Filed: March 1, 2007
    Date of Patent: November 16, 2010
    Assignee: Royal Seating, LLC
    Inventors: Sumner Adams, Lon Amerman, Dan Seiler