A system (10) for carrying out transactions between a customer at a customer station (14, 21, 202, 204) and a service provider at a service provider station (12, 194), includes transferring items through transaction devices such as pneumatic carrier delivery and receiving device (21, 200) and a deal...http://www.google.com/patents/US7848830?utm_source=gb-gplus-sharePatent US7848830 - Drive-through transaction system and method
