Granted Patent
Utility
US 6,488,962 · App. 09/598,061
Tablet shapes to enhance gastric retention of swellable controlled-release oral dosage forms
Inventors:
Bret Berner, Jenny Louie-Helm
Patented Case
View Patent ↗
Granted: Dec 3, 2002
Filed: Jun 20, 2000
Inventors
Bret Berner
Jenny Louie-Helm
Assignee (at issue)
Depomed, 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.