About: http://webisa.webdatacommons.org/172594831

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	SUMMARY OF THE PRESENT INVENTION It is an object of the present invention to provide a portal covering useful in numerous types of structures.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com