Granted Patent
Utility
US 5,814,613 · App. 07/756,411
Antibiotic LL-E19020 gamma
Inventors:
Guy T. Carter, David R. Williams, Joseph D. Korshalla
Patented Case
View Patent ↗
Granted: Sep 29, 1998
Filed: Sep 9, 1991
Inventors
Guy T. Carter
David R. Williams
Joseph D. Korshalla
Assignee (at issue)
Roche Vitamins 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.