Granted Patent
Utility
US 5,698,547 · App. 08/455,969
Cephalosporin antibiotics
Inventors:
Burton G. Christensen, In-Seop Cho, Tomasz Glinka, Scott Hecker, Ving J. Lee, Zhijia J. Zhang
Patented Case
View Patent ↗
Granted: Dec 16, 1997
Filed: May 31, 1995
Inventors
Burton G. Christensen
In-Seop Cho
Tomasz Glinka
Scott Hecker
Ving J. Lee
Zhijia J. Zhang
Assignee (at issue)
Microcide Pharmaceuticals, 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.