About: http://webisa.webdatacommons.org/100831917

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 ball head can be of conventional design and formed of stainless steel or other alloys as known in the art.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com