Granted Patent
Utility
US 6,277,888 · App. 09/380,274
Drug composition
Inventors:
Atsushi Sakai, Rumiko Masuda
Patented Case
View Patent ↗
Granted: Aug 21, 2001
Filed: Jan 6, 2000
Inventors
Atsushi Sakai
Rumiko Masuda
Assignee (at issue)
Welfide 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.