Granted Patent
Utility
US 6,448,023 · App. 09/661,988
Enzyme method for detecting sphingosine-1-phosphate (S1P)
Inventors:
Michael K. Skinner, Jodi L. Johnson, Jeff A. Parrott
Patented Case
View Patent ↗
Granted: Sep 10, 2002
Filed: Sep 14, 2000
Inventors
Michael K. Skinner
Jodi L. Johnson
Jeff A. Parrott
Assignee (at issue)
Atairgin Technologies, 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.