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<http://rdf.freebase.com/ns/en.us_patent_230310_electric_lamp> <http://creativecommons.org/ns#attributionURL> <http://www.freebase.com/view/en/us_patent_230310_electric_lamp>.
<http://rdf.freebase.com/ns/en.us_patent_230310_electric_lamp> <http://rdf.freebase.com/ns/type.object.key> _:GaKKCOqY2178.
<http://rdf.freebase.com/ns/en.us_patent_230310_electric_lamp> <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.us_patent_230310_electric_lamp> <http://creativecommons.org/ns#attributionName> "Source: Freebase - The World's database".
<http://rdf.freebase.com/ns/en.us_patent_230310_electric_lamp> <http://rdf.freebase.com/ns/law.us_patent.patent_number> "230310".
<http://rdf.freebase.com/ns/en.us_patent_230310_electric_lamp> <http://rdf.freebase.com/ns/type.object.name> "US patent 230310 - Electric lamp"@en.
<http://rdf.freebase.com/ns/en.us_patent_230310_electric_lamp> <http://www.w3.org/1999/xhtml/vocab#license> <http://creativecommons.org/licenses/by/3.0/>.
<http://rdf.freebase.com/ns/en.us_patent_230310_electric_lamp> <http://rdf.freebase.com/ns/law.us_patent.inventor> <http://rdf.freebase.com/ns/en.hiram_stevens_maxim>.
<http://rdf.freebase.com/ns/en.us_patent_230310_electric_lamp> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://rdf.freebase.com/ns/common.topic>.
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