Granted Patent
Utility
US 6,583,274 · App. 09/563,792
Crystalline forms of macrolide antibiotic
Inventors:
Douglas J. M. Allen, Barry J. Morton, Robert J. Rafka, Colman B. Ragan
Patented Case
View Patent ↗
Granted: Jun 24, 2003
Filed: May 2, 2000
Inventors
Douglas J. M. Allen
Barry J. Morton
Robert J. Rafka
Colman B. Ragan
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.