Cui Feng Wang 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).
Abstract: A container assembly system includes two containers that are nestingly engaged on top of each other. Each has a cooperating male locating projection and a female locating recess. The male locating projection of one of the containers fits in the female locating recess of the other container and the male locating projection of such one container fits in the female locating recess of such other container.
Abstract: A container assembly system includes two containers that are nestingly engaged on top of each other. Each has a cooperating male locating projection and a female locating recess. The male locating projection of one of the containers fits in the female locating recess of the other container and the male locating projection of such one container fits in the female locating recess of such other container.