Systems and methods for scheduling deliveries, in real time, to be made within one or more delivery time windows. For each requested delivery, the system dynamically determines whether to offer each time delivery window to the customer requesting the delivery based on whether: (1) it would be possible...http://www.google.com.hk/patents/US6701299?utm_source=gb-gplus-share專利 US6701299 - Real-time delivery feasibility analysis systems and methods
