US Patent 7689480 Inventory control system

An inventory control system includes a storage module having a continuous track and a plurality of individual storage units stacked in multiple columns or rows. Each storage unit is engaged with the track for selective movement along the track. An inventory control unit is associated with the storage module and has a user interface, a processor, a memory, and a mechanism for inputting object information, including storage unit placement. The processor receives the object information from the inputting mechanism, and stores the object information in the memory for user access therefrom via the user interface.