An automatic renting apparatus performs on-line trade utilizing a credit card, which includes a processing mechanism for processing a rented article not returned after expiration of a returning period. The automatic article renting apparatus effects sale process for the rented article not returned even...http://www.google.com.hk/patents/US5934439?utm_source=gb-gplus-share專利 US5934439 - Automatic commercial article renting system
