Patent 11064676 was granted and assigned to Penn-Plax Inc. on July, 2021 by the United States Patent and Trademark Office.
A method of assembling pet furniture includes placing a first end of a pillar beam into a stable locking system (SLS) mount affixed to a base platform; placing a second end of the pillar beam into an SLS mount affixed to a top platform; attaching the top platform to the bottom platform by twisting the pillar beam to lock the first end of the pillar beam to the SLS mount affixed to the base platform and to lock the second end of the pillar beam to the SLS mount affixed to the top platform.