Granted Patent
Utility
US 5,763,196 · App. 08/592,029
Assays using cross-linked polypeptide fragments of .beta.-galactosidase
Inventors:
Michael Powell, Pyare Khanna, David Lingenfelter, Scott Eisenbeis
Patented Case
View Patent ↗
Granted: Jun 9, 1998
Filed: Jan 26, 1996
Inventors
Michael Powell
Pyare Khanna
David Lingenfelter
Scott Eisenbeis
Assignee (at issue)
Boehringer Mannheim GmbH
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.