Browse “Patent ductus arteriosus” in an alphabetical list of subjects

Browse by subject help: Search within an alphabetical list of all Library of Congress Subject Headings - Opens in new windowopen_in_new (LCSH) indexed in the Library catalog.

Subject	Records
Subject: Patent Co-operation Treaty (1970 June 19) 4 records	4 records
Subject: Patent cooperation Treaty 1 record	1 record
We found a matching subject in our catalog for: Patent ductus arteriosus.
Subject: Patent ductus arteriosus About this subject - Opens in new windowopen_in_new 2 records Broader terms (in subject list): Congenital heart disease (60 records) Ductus arteriosus--Abnormalities (0 records) Heart--Blood-vessels--Abnormalities (0 records) Narrower term (in subject list): Persistent fetal circulation syndrome (0 records)	2 records
Subject: Patent examiners--United States 1 record	1 record
Subject: Patent extensions About this subject - Opens in new windowopen_in_new 91 records Broader terms (in subject list): Patent laws and legislation (305 records) Patents (538 records)	91 records
Subject: Patent extensions--Canada 1 record	1 record
Subject: Patent extensions--Great Britain 4 records	4 records
Subject: Patent extensions--Law and legislation--United States 8 records	8 records
Subject: Patent extensions--United States About this subject - Opens in new windowopen_in_new 53 records	53 records
Subject: Patent flaws and legislation--Great Britain 1 record	1 record
Subject: Patent Information Services (U.S.)--Periodicals 1 record	1 record
Subject: Patent Information Users Group--Curricula 1 record	1 record
Subject: Patent infringement About this subject - Opens in new windowopen_in_new 79 records Broader terms (in subject list): Intellectual property infringement (23 records) Patent laws and legislation (305 records)	79 records
Subject: Patent infringement--Barbados 1 record	1 record
Subject: Patent infringement--Canada 1 record	1 record
Subject: Patent infringement--China 2 records	2 records
Subject: Patent infringement--Denmark 1 record	1 record
Subject: Patent infringement--Early works to 1800 2 records	2 records
Subject: Patent infringement--Econometric models 1 record	1 record
Subject: Patent infringement--England--Early works to 1800 1 record	1 record

The University of Michigan Library aims to describe library materials in a way that respects the people and communities who create, use, and are represented in our collections. Report harmful or offensive language anonymously through our metadata feedback form. More information at Remediation of Harmful Language.

Give feedback about this pageopen_in_new