Electronic locks; electronic cylinder locks and cylinder lock knobs; electronic suspension and door locks; combination locks; electro-mechanical locks; electronic cam locks; electromagnetic locks; electronic keys; electronic safe locks; blocking devices, namely electro-mechanical units that block the movement (opening) of locking mechanisms of doors, safes and cabinets; software for management and control of locking devices; keypads, connecting cable and data transmitting and receiving units all for use in connection with electronic, electromechanical and electromagnetic locks