Granted Patent
Utility
US 5,013,646 · App. 07/470,678
TMB Formulation for soluble and precipitable HRP-ELISA
Inventor:
James E. Woiszwillo
Patented Case
View Patent ↗
Granted: May 7, 1991
Filed: Jan 26, 1990
Inventor
James E. Woiszwillo
Assignee (at issue)
Transgenic Sciences, 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.