Granted Patent
Utility
US 5,882,857 · App. 08/475,283
Internal positive controls for nucleic acid amplification
Inventors:
Linda M. Western, Samuel J. Rose, Edwin F. Ullman
Patented Case
View Patent ↗
Granted: Mar 16, 1999
Filed: Jun 7, 1995
Inventors
Linda M. Western
Samuel J. Rose
Edwin F. Ullman
Assignee (at issue)
Behringwerke Aktiengesellschaft
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.