Granted Patent
Utility
US 6,136,959 · App. 09/102,709
High efficiency alkaline protein extraction
Inventors:
Herbert O. Hultin, Stephen D. Kelleher
Patented Case
View Patent ↗
Granted: Oct 24, 2000
Filed: Jun 22, 1998
Inventors
Herbert O. Hultin
Stephen D. Kelleher
Assignee (at issue)
University of Massachusetts
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.