Granted Patent
Utility
US 4,917,685 · App. 06/863,885
Delivery device for the administration of stabilized growth promoting hormones
Inventors:
Ravi Viswanathan, Randolph B. DePrince
Patented Case
View Patent ↗
Granted: Apr 17, 1990
Filed: May 16, 1986
Inventors
Ravi Viswanathan
Randolph B. DePrince
Assignee (at issue)
International Minerals & Chem. Corporation
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.