Granted Patent
Utility
US 4,717,658 · App. 06/803,963
Gram negative bacteria screening method with horseshoe crab amebocyte lysate (LAL)
Inventor:
Angela A. Michaels
Patented Case
View Patent ↗
Granted: Jan 5, 1988
Filed: Dec 3, 1985
Inventor
Angela A. Michaels
Assignee (at issue)
Miles 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.