Granted Patent
Utility
US 6,506,740 · App. 09/573,654
4-dedimethylaminotetracycline derivatives
Inventors:
Robert Ashley, Joseph J. Hlavka
Patented Case
View Patent ↗
Granted: Jan 14, 2003
Filed: May 18, 2000
Inventors
Robert Ashley
Joseph J. Hlavka
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.