Granted Patent
Utility
US 6,531,465 · App. 09/861,838
Antibacterial cephalosporins
Inventors:
Gerd Ascher, Johannes Ludescher
Patented Case
View Patent ↗
Granted: Mar 11, 2003
Filed: May 21, 2001
Inventors
Gerd Ascher
Johannes Ludescher
Assignee (at issue)
Biochemie Gesellschaft m.b.H
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.