About: http://webisa.webdatacommons.org/60231811

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 patent should be running out soon and other manufacturers will have similar products.
http://www.w3.org/ns/prov#wasQuotedFrom	hvac-talk.com