US Patent 7506472 Work handling

Appartus suitable for use in conjunction with a container in which one or more plants is growing and associated with it a device for recieving an enquiry signal and automatically responding by transmitting an unique identifier signal the apparatus comprising(a) transporter means by which a container may be supported for moving the container,(b) means for transmitting the enquiry signal,(c) means for recording the identifier signal as a digital output and(d) computer means to which the digital output is supplied for storage of the data in prescribed format in a database for manipulation to afford comparsion of data related to the container.