Granted Patent
Utility
US 4,761,289 · App. 06/917,771
Sustained release implant and method for preparing same
Inventors:
Mohamad D. Shalati, Ravi Viswanathan
Patented Case
View Patent ↗
Granted: Aug 2, 1988
Filed: Oct 10, 1986
Inventors
Mohamad D. Shalati
Ravi Viswanathan
Assignee (at issue)
International Minerals & Chemical Corp.
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.