Granted Patent
Utility
US 5,667,799 · App. 08/558,598
Method for treating headache pain with topical local anesthetic compositions
Inventors:
Larry J. Caldwell, Bradley S. Galer
Patented Case
View Patent ↗
Granted: Sep 16, 1997
Filed: Oct 30, 1995
Inventors
Larry J. Caldwell
Bradley S. Galer
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.