Granted Patent
Utility
US 4,472,382 · App. 06/468,932
Treatment method
Inventors:
Fernand Labrie, Jean-Pierre Raynaud
Patented Case
View Patent ↗
Granted: Sep 18, 1984
Filed: Feb 23, 1983
Inventors
Fernand Labrie
Jean-Pierre Raynaud
Assignee (at issue)
Roussel Uclaf
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.