Granted Patent
Utility
US 6,019,994 · App. 09/034,081
Use of levobupivacaine in treating migraine
Inventors:
Ian Ashley Evetts, Simon John Gunning
Patented Case
View Patent ↗
Granted: Feb 1, 2000
Filed: Mar 3, 1998
Inventors
Ian Ashley Evetts
Simon John Gunning
Assignee (at issue)
Chirotech Technology Limited
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.