Granted Patent
Utility
US 5,135,757 · App. 07/642,070
Compressible sustained release solid dosage forms
Inventors:
Anand R. Baichwal, John Staniforth
Patented Case
View Patent ↗
Granted: Aug 4, 1992
Filed: Jan 16, 1991
Inventors
Anand R. Baichwal
John Staniforth
Assignee (at issue)
Edward Mendell & Co.
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.