This HTML5 document contains 5 embedded RDF statements represented using HTML+Microdata notation.

The embedded RDF content will be recognized by any processor of HTML5 Microdata.

PrefixNamespace IRI
isaphttp://webisa.webdatacommons.org/prov/
isahttp://webisa.webdatacommons.org/
rdfhttp://www.w3.org/1999/02/22-rdf-syntax-ns#
provhttp://www.w3.org/ns/prov#
xsdhhttp://www.w3.org/2001/XMLSchema#
n5freepatentsonline.
Subject Item
isa:375096265
rdf:type
prov:Entity
prov:value
BACKGROUND OF THE INVENTION With the advent of weed wackers or trimmers in the 1970s people began to notice that their bare legs or trousers were often times coated with vegetable, plant, dirt and other sort of matter resulting from operating either a rigid blade weed trimmer or a flexible line trimmer.
prov:wasQuotedFrom
n5:com
Subject Item
isap:311276719
prov:wasDerivedFrom
isa:375096265
Subject Item
isap:155501954
prov:wasDerivedFrom
isa:375096265