The present invention is a method and apparatus for effectuating bilateral buyer-driven commerce. The present invention allows prospective buyers of goods and services to communicate a binding purchase offer globally to potential sellers, for sellers conveniently to search for relevant buyer purchase...http://www.google.es/patents/US5794207?utm_source=gb-gplus-sharePatente US5794207 - Method and apparatus for a cryptographically assisted commercial network system designed to facilitate buyer-driven conditional purchase offers
Method and apparatus for a cryptographically assisted commercial network ...
