The TagZapper (picture on the left) has been developed by US-based West End Laboratories to be a light weight, handheld, device for deactivating RFID transmitting devices, preventing thus RFID readers from performing scanning and tracking of people or goods.

Via RFID Times Newspagedesigner.

Also spotted, the RFIDwasher (picture on the right) which allegedly detects and destroys RFID. Due by the end of this year.
Via consumer world.