Granted Patent
Utility
US 6,379,903 · App. 09/415,000
Purification of recombinant proteins fused to multiple epitopes
Inventors:
Billy L. Brizzard, Ron Hernan
Patented Case
View Patent ↗
Granted: Apr 30, 2002
Filed: Oct 8, 1999
Inventors
Billy L. Brizzard
Ron Hernan
Assignee (at issue)
Sigma-Aldrich Co., LLC
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.