About: http://webisa.webdatacommons.org/395935329

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	The mailbox is a single unit design combining box and post into a unitized device that eliminates separation.
http://www.w3.org/ns/prov#wasQuotedFrom	sbir.gov