Granted Patent
Utility
US 6,537,573 · App. 09/755,791
Combination dosage form comprising cetirizine and pseudoephedrine
Inventors:
Barbara Johnson, Richard W. Korsmeyer, Cynthia Oksanen
Patented Case
View Patent ↗
Granted: Mar 25, 2003
Filed: Jan 5, 2001
Inventors
Barbara Johnson
Richard W. Korsmeyer
Cynthia Oksanen
Assignee (at issue)
Pfizer 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.