About: http://webisa.webdatacommons.org/261464232

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	No. 206,890 3 Claims. (Cl. 104-96) This invention relates to conveyor systems, and more particularly to power and free conveyor systems having drive disengaging trolleys.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com