About: http://webisa.webdatacommons.org/190722678

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	More particularly, the invention relates to a mechanism for opening and closing doors such as garage doors and warehouse doors.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com