_:KuivQmac1118 <http://rdf.freebase.com/ns/type.key.namespace> <http://rdf.freebase.com/ns/en>.
_:KuivQmac1118 <http://rdf.freebase.com/ns/type.value.value> "first_head_mounted_graphical_display".
<http://rdf.freebase.com/ns/en.first_head_mounted_graphical_display> <http://creativecommons.org/ns#attributionURL> <http://www.freebase.com/view/en/first_head_mounted_graphical_display>.
<http://rdf.freebase.com/ns/en.first_head_mounted_graphical_display> <http://rdf.freebase.com/ns/law.us_patent.issue_date> "1963".
<http://rdf.freebase.com/ns/en.first_head_mounted_graphical_display> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://rdf.freebase.com/ns/common.topic>.
<http://rdf.freebase.com/ns/en.first_head_mounted_graphical_display> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://rdf.freebase.com/ns/law.us_patent>.
<http://rdf.freebase.com/ns/en.first_head_mounted_graphical_display> <http://rdf.freebase.com/ns/type.object.key> _:KuivQmac1118.
<http://rdf.freebase.com/ns/en.first_head_mounted_graphical_display> <http://rdf.freebase.com/ns/type.object.name> "First Head-Mounted Graphical Display"@en.
<http://rdf.freebase.com/ns/en.first_head_mounted_graphical_display> <http://www.w3.org/1999/xhtml/vocab#license> <http://creativecommons.org/licenses/by/3.0/>.
<http://rdf.freebase.com/ns/en.first_head_mounted_graphical_display> <http://rdf.freebase.com/ns/law.us_patent.patent_office> <http://rdf.freebase.com/ns/en.united_states_patent_and_trademark_office>.
<http://rdf.freebase.com/ns/en.first_head_mounted_graphical_display> <http://creativecommons.org/ns#attributionName> "Source: Freebase - The World's database".
<http://rdf.freebase.com/ns/en.first_head_mounted_graphical_display> <http://rdf.freebase.com/ns/law.us_patent.inventor> <http://rdf.freebase.com/ns/en.marvin_minsky>.