Patents Assigned to Carstens, Inc.
  • Economy cart
    Patent number: D683557
    Type: Grant
    Filed: June 13, 2012
    Date of Patent: June 4, 2013
    Assignee: Carstens, Inc.
    Inventor: George Peter Block, Jr.
  • Dual seat economy cart
    Patent number: D719772
    Type: Grant
    Filed: October 23, 2013
    Date of Patent: December 23, 2014
    Assignee: Carstens, Inc.
    Inventors: George Peter Block, Jr., David vanZon, Robert Foster