Granted Patent
Utility
US 5,223,440 · App. 07/274,267
Ex vivo product of conception test to determine abortion
Inventors:
Nelson N. H. Teng, Andrew E. Senyei
Patented Case
View Patent ↗
Granted: Jun 29, 1993
Filed: Nov 18, 1988
Inventors
Nelson N. H. Teng
Andrew E. Senyei
Assignee (at issue)
Adeza Biomedical Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.