About: http://webisa.webdatacommons.org/61819214

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	TECHNICAL FIELDThe present invention relates to coupon structures and particularly to coupons adapted to be releasably attached to the surface of a package, letter, or other mounting surface.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com