About: http://webisa.webdatacommons.org/375518967

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	This invention relates to systems for automatic supervision of water supply to reservoirs, and more particularly to monitoring systems for automatically maintaining a selected water level within a swimming pool, spa, or the like.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com