ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,441,382, issued on Oct. 14.
"Stackable storage containers with a maintenance cart" was invented by Michael H Panosian (Irvine, Calif.) and Joshua M Keeler (Irvine, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method and a system are disclosed including a stackable storage container. In various embodiments, the stackable storage container includes stacking locks that may be deployed automatically to lock the stackable storage containers together when a first storage container is placed upon the top of a second storage container. A tri-state locking system is used to lock the containers in a stack configuration. Deep chamfers at bottom surfaces...