Granted Patent
Utility
US 6,462,254 · App. 09/272,068
Dual-tagged proteins and their uses
Inventors:
John Vernachio, Jackie Papkoff
Patented Case
View Patent ↗
Granted: Oct 8, 2002
Filed: Mar 18, 1999
Inventors
John Vernachio
Jackie Papkoff
Assignees (at issue)
Valentis, Inc.
Pfizer Inc.
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.