Granted Patent
Utility
US 5,221,616 · App. 07/219,922
Prevention of spontaneous complement activation in mammalian biological fluids
Inventors:
William P. Kolb, Linda M. Kolb, John Tamerius
Patented Case
View Patent ↗
Granted: Jun 22, 1993
Filed: Jul 15, 1988
Inventors
William P. Kolb
Linda M. Kolb
John Tamerius
Assignee (at issue)
QUIDEL CORPORATION
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.