About: http://webisa.webdatacommons.org/326780903

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	That is, the stamp body 16 can be made of rubber, felt or other suitable material for use in conjunction with a traditional ink
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com