Jay C Chang

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Array ( [id] => 18551199 [patent_doc_number] => 20230249201 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-10 [patent_title] => Sprinkler device for delivery of an irrigation liquid and method of delivery using such device [patent_app_type] => utility [patent_app_number] => 18/301516 [patent_app_country] => US [patent_app_date] => 2023-04-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4421 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18301516 [rel_patent_id] =>[rel_patent_doc_number] =>)

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Array ( [id] => 18275125 [patent_doc_number] => 11614061 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-03-28 [patent_title] => Diesel fuel injector based on hollow spray structure induced by vortex cavitation in nozzle [patent_app_type] => utility [patent_app_number] => 17/890178 [patent_app_country] => US [patent_app_date] => 2022-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 3406 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 514 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17890178 [rel_patent_id] =>[rel_patent_doc_number] =>)

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