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
n5google.
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#
Subject Item
isa:303857518
rdf:type
prov:Entity
prov:value
While these devices, and especially good ones such as those shown in my patents (U.S. Pat. Nos. 3,845,676, issued Nov. 5, 1974, and 4,112,793, issued Sept. 12, 1978), are quite useful to large enterprises where a lot of oval cutting is to be done, there is also a need for an inexpensive device for cutting ovals in such materials as cardboard or glass or for marking ovals with a pencil or other mar
prov:wasQuotedFrom
n5:com
Subject Item
isap:412388096
prov:wasDerivedFrom
isa:303857518
Subject Item
isap:298706122
prov:wasDerivedFrom
isa:303857518