Patents Assigned to Central Purchasing, LLC
  • Publication number: 20090178214
    Abstract: The present invention relates to a ramp. The ramp includes at least two stiles. Each stile has a top, a bottom and four sides. A plurality of shoulders are equally spaced apart and mounted on one side of each stile. A plurality of rungs are aligned with the shoulders. Each rung has a right end, a left end and four sides. A plurality of notches are located on the right end and left end of each rung. The number of shoulders equals the number of the notches and the shoulders and notches are tightly fitted together to form the ramp.
    Type: Application
    Filed: January 15, 2008
    Publication date: July 16, 2009
    Applicant: Central Purchasing, LLC
    Inventor: Wang Gang
  • Patent number: D521190
    Type: Grant
    Filed: December 21, 2004
    Date of Patent: May 16, 2006
    Assignee: Central Purchasing, LLC
    Inventor: Ziqian Wu