Array
(
[id] => 7627162
[patent_doc_number] => 06807280
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2004-10-19
[patent_title] => 'Audio signal processing circuit for reducing noise in an audio signal'
[patent_app_type] => B1
[patent_app_number] => 09/013176
[patent_app_country] => US
[patent_app_date] => 1998-01-26
[patent_effective_date] => 0000-00-00
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[patent_no_of_words] => 2534
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/807/06807280.pdf
[firstpage_image] =>[orig_patent_app_number] => 09013176
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/013176 | Audio signal processing circuit for reducing noise in an audio signal | Jan 25, 1998 | Issued |