About: http://webisa.webdatacommons.org/358682385

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	U.S. Pat. No. 3,211,470 to Wilson, Oct. 12, 1965, describes a coded coupon carrying various information about the product, expiration date of the coupon, and other information.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com