Granted Patent
Utility
US 5,676,940 · App. 08/210,649
Method of reducing immunoglobulin E responses
Inventors:
Robert L. Coffman, Jan E. de Vries
Patented Case
View Patent ↗
Granted: Oct 14, 1997
Filed: Mar 17, 1994
Inventors
Robert L. Coffman
Jan E. de Vries
Assignee (at issue)
SCHERING CORPORATION
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.